Merge #575

575: Bump bitcoin from 0.26.0 to 0.26.2 r=thomaseizinger a=dependabot[bot]

Bumps [bitcoin](https://github.com/rust-bitcoin/rust-bitcoin) from 0.26.0 to 0.26.2.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/rust-bitcoin/rust-bitcoin/blob/master/CHANGELOG.md">bitcoin's changelog</a>.</em></p>
<blockquote>
<h1>0.26.2 - 2021-06-08</h1>
<ul>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/611">Fix <code>Display</code> impl of <code>ChildNumber</code></a></li>
</ul>
<p>The previous release changed the behavior of <code>Display</code> for <code>ChildNumber</code>, assuming that any correct usage would not be
affected. <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/issues/608">Issue 608</a> goes into the details of why this isn't
the case and how we broke both <code>rust-miniscript</code> and BDK.</p>
<h1>0.26.1 - 2021-06-06 (yanked, see explanation above)</h1>
<ul>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/414">Change Amount Debug impl to BTC with 8 decimals</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/511">Make uint types (un)serializable</a></li>
<li>Add <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/551">more derives for key::Error</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/552">Fix optional amount serialization</a></li>
<li>Add <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/557">PSBT base64 (de)serialization with Display &amp; FromStr</a></li>
<li>Add <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/558">non-API breaking derives for error &amp; transaction types</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/559">Fix error derives</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/565">Add function to check RBF-ness of transactions</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/566">Add Script:dust_value() to get minimum output value for a spk</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/567">Improving bip32 ChildNumber display implementation</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/569">Make Script::fmt_asm a static method and add Script::str_asm </a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/572">Return BlockHash from BlockHeader::validate_pow</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/573">Add a method to error on non-standard hashtypes</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/577">Include proprietary key in deserialized PSBT</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/579">Fix Script::dust_value()'s calculation for non-P2*PKH script_pubkeys</a></li>
<li>Add <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/581">Address to optimized QR string</a> conversion</li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/582">Correct Transaction struct encode_signing_data_to doc comment</a></li>
<li>Fixing <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/583">CI if base image's apt db is outdated</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/584">Introduce some policy constants from Bitcoin Core</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/586">Fix warnings for sighashtype</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/589">Introduction of Schnorr keys</a></li>
<li>Adding <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/592">constructors for compressed and uncompressed ECDSA keys</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/594">Count bytes read in encoding</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/598">Add verify_with_flags to Script and Transaction</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/600">Fixes documentation intra-links and enforce it</a></li>
<li><a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/pull/602">Fixing hashes core dependency and fuzz feature</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="9b2098517e"><code>9b20985</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/issues/611">#611</a> from sgeisler/2021-06-fix-release</li>
<li><a href="c82e75854a"><code>c82e758</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/issues/610">#610</a> from afilini/fix/irc-link</li>
<li><a href="055d0fb087"><code>055d0fb</code></a> Prepare release 0.26.2</li>
<li><a href="091ac89440"><code>091ac89</code></a> Fix semver breaking Display change of ChildNumber</li>
<li><a href="f11f09d55b"><code>f11f09d</code></a> Fix release date in the changelog for <code>0.26.1</code></li>
<li><a href="dc3d9eebaa"><code>dc3d9ee</code></a> Update IRC info to libera.chat</li>
<li><a href="a685ce60bf"><code>a685ce6</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/issues/607">#607</a> from LNP-BP/ver/0.26.1</li>
<li><a href="73f1ed7d4c"><code>73f1ed7</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/issues/606">#606</a> from romanz/fix-bip158-format</li>
<li><a href="d2ee8e81f3"><code>d2ee8e8</code></a> Bump version to 0.26.1</li>
<li><a href="d7eb15c6f1"><code>d7eb15c</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-bitcoin/rust-bitcoin/issues/584">#584</a> from darosior/max_tx_weight_const</li>
<li>Additional commits viewable in <a href="https://github.com/rust-bitcoin/rust-bitcoin/compare/0.26.0...0.26.2">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=bitcoin&package-manager=cargo&previous-version=0.26.0&new-version=0.26.2)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

You can trigger a rebase of this PR by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)


</details>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -321,9 +321,9 @@ checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
 
 [[package]]
 name = "bitcoin"
-version = "0.26.0"
+version = "0.26.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ec5f88a446d66e7474a3b8fa2e348320b574463fb78d799d90ba68f79f48e0e"
+checksum = "6742ec672d3f12506f4ac5c0d853926ff1f94e675f60ffd3224039972bf663f1"
 dependencies = [
  "bech32",
  "bitcoin_hashes",
@@ -355,9 +355,9 @@ dependencies = [
 
 [[package]]
 name = "bitcoin_hashes"
-version = "0.9.4"
+version = "0.9.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0aaf87b776808e26ae93289bc7d025092b6d909c193f0cdee0b3a86e7bd3c776"
+checksum = "7ce18265ec2324ad075345d5814fbeed4f41f0a660055dc78840b74d19b874b1"
 dependencies = [
  "serde",
 ]
@@ -3423,9 +3423,9 @@ dependencies = [
 
 [[package]]
 name = "secp256k1"
-version = "0.20.1"
+version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "733b114f058f260c0af7591434eef4272ae1a8ec2751766d3cb89c6df8d5e450"
+checksum = "97d03ceae636d0fed5bae6a7f4f664354c5f4fcedf6eef053fef17e49f837d0a"
 dependencies = [
  "rand 0.6.5",
  "secp256k1-sys",