chore: merge dfinity/candid:master

.github/CODEOWNERS

@@ -1 +1 @@
-@dfinity/languages
+* @dfinity/dx

.github/workflows/bench.yml

@@ -6,7 +6,7 @@ jobs:
     name: run benchmark
     runs-on: ubuntu-latest
     env:
-      RUSTC_VERSION: 1.75.0
+      RUSTC_VERSION: 1.79.0
     steps:
     - uses: actions/checkout@v4
     - name: Checkout base branch
@@ -35,7 +35,7 @@ jobs:
           ~/.cargo
           target
           rust/bench/target
-        key: ${{ runner.os }}-bench-0.1.1-${{ hashFiles('**/Cargo.lock') }}
+        key: ${{ runner.os }}-bench-0.1.4-${{ hashFiles('**/Cargo.lock') }}
     - name: Install canbench
       run: cargo install canbench
     - name: Run perf for base branch

.github/workflows/coq.yml

@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v12
       #- run: nix-build s coq
       # The above would also build the shell, includling niv.

.github/workflows/release.yml

@@ -4,7 +4,7 @@ on:
     tags:
       - '*'
     branches: # TODO: Remove before merging.
-      - musl  # Pushing the feature branch should test this PR.
+      - fix-ci  # Pushing the feature branch should test this PR.
 jobs:
   build:
     name: Build for ${{ matrix.name }}
@@ -17,7 +17,7 @@ jobs:
             name: linux64
             artifact_name: target/x86_64-unknown-linux-musl/release/didc
             asset_name: didc-linux64
-          - os: macos-latest
+          - os: macos-12
             name: macos
             artifact_name: target/release/didc
             asset_name: didc-macos
@@ -26,7 +26,7 @@ jobs:
             artifact_name: target/arm-unknown-linux-gnueabihf/release/didc
             asset_name: didc-arm32
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install stable toolchain
         if: matrix.name != 'arm'
         uses: actions-rs/toolchain@v1
@@ -82,8 +82,6 @@ jobs:
             asset_name: didc-macos
           - os: macos-12
             asset_name: didc-macos
-          - os: macos-11
-            asset_name: didc-macos
     steps:
       - name: Get executable
         id: download

.github/workflows/rust.yml

@@ -39,3 +39,19 @@ jobs:
       run: cargo clippy --features all --tests -- -D warnings
     - name: doc
       run: cargo doc
+  fuzzing:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install Rust (nightly)
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: nightly
+        override: true
+    - name: Install cargo-fuzz
+      run: |
+        cargo install cargo-fuzz
+    - name: Build fuzzers
+      run: |
+        cd rust/candid
+        cargo +nightly fuzz build