build(deps): bump config from 0.14.0 to 0.15.6

Bumps [config](https://github.com/rust-cli/config-rs) from 0.14.0 to 0.15.6.
- [Changelog](https://github.com/rust-cli/config-rs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rust-cli/config-rs/compare/0.14.0...v0.15.6)

---
updated-dependencies:
- dependency-name: config
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -744,15 +744,14 @@ dependencies = [
 
 [[package]]
 name = "config"
-version = "0.14.0"
+version = "0.15.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7328b20597b53c2454f0b1919720c25c7339051c02b72b7e05409e00b14132be"
+checksum = "e329294a796e9b22329669c1f433a746983f9e324e07f4ef135be81bb2262de4"
 dependencies = [
- "lazy_static",
- "nom",
  "pathdiff",
  "serde",
  "toml 0.8.19",
+ "winnow",
 ]
 
 [[package]]
@@ -5846,9 +5845,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "winnow"
-version = "0.6.18"
+version = "0.6.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68a9bda4691f099d435ad181000724da8e5899daa10713c2d432552b9ccd3a6f"
+checksum = "c8d71a593cc5c42ad7876e2c1fda56f314f3754c084128833e64f1345ff8a03a"
 dependencies = [
  "memchr",
 ]

swap/Cargo.toml

@@ -20,7 +20,7 @@ big-bytes = "1"
 bitcoin = { version = "0.29", features = [ "rand", "serde" ] }
 bmrng = "0.5"
 comfy-table = "7.1"
-config = { version = "0.14", default-features = false, features = [ "toml" ] }
+config = { version = "0.15", default-features = false, features = [ "toml" ] }
 conquer-once = "0.4"
 curve25519-dalek = { package = "curve25519-dalek-ng", version = "4" }
 data-encoding = "2.6"