upgrade secp256kfun (#1466)

* ci: add cargo check on rust stable

* refactor: upgrade secp256kfun and fix resulting issues

* build(deps): update sigma_fun and ecdsa_fun to a52142cf7f

 #1520
 #1521

* chore: fix clippy issue

* update to 91112f80b24

* bump to 294de1721add

* chore(deps): remove spectral

spectral fails to compile on rust stable 1.76 due to dep on deprecated
rustc-serialize

* secp256kfun: update to 7da9d277 and set rev in manifest

* update to 6fdc5d8

* switch to crates.io versions of ecdsa_fun and sigma_fun

* ci: update toolchain to 1.74 and fix draft action

* clippy fixes

---------

Co-authored-by: binarybaron <86064887+binarybaron@users.noreply.github.com>

.github/workflows/build-release-binaries.yml

@@ -61,7 +61,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.70"
+          toolchain: "1.74"
           targets: armv7-unknown-linux-gnueabihf
 
       - name: Build ${{ matrix.target }} ${{ matrix.bin }} release binary

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.70"
+          toolchain: "1.74"
           components: clippy,rustfmt
 
       - uses: Swatinem/rust-cache@v2.7.3
@@ -31,6 +31,22 @@ jobs:
       - name: Run clippy with all features enabled
         run: cargo clippy --workspace --all-targets --all-features -- -D warnings
 
+  check_stable:
+      runs-on: ubuntu-latest
+      steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4.1.1
+
+      - uses: dtolnay/rust-toolchain@stable
+
+      - name: Override rust stable
+        run: |
+          rustup override set stable
+
+      - name: Run cargo check on rust stable
+        run: cargo check --all-targets
+
+
   bdk_test:
     runs-on: ubuntu-latest
     steps:
@@ -84,7 +100,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.70"
+          toolchain: "1.74"
           targets: armv7-unknown-linux-gnueabihf
 
       - name: Build binary

.github/workflows/draft-new-release.yml

@@ -42,8 +42,8 @@ jobs:
       - name: Commit changelog and manifest files
         id: make-commit
         env:
-          DPRINT_VERSION: 0.39.1
-          RUST_TOOLCHAIN: 1.70
+          DPRINT_VERSION: "0.39.1"
+          RUST_TOOLCHAIN: "1.74"
         run: |
           rustup component add rustfmt --toolchain "$RUST_TOOLCHAIN-x86_64-unknown-linux-gnu"
           curl -fsSL https://dprint.dev/install.sh | sh -s $DPRINT_VERSION