ci: use gh api to extract tag annotation

.github/workflows/build.yml

@@ -7,6 +7,10 @@ on:
  pull_request:
  branches: [ "main" ]
 
+defaults:
+ run:
+ shell: bash
+
 jobs:
  build:
  runs-on: ${{ matrix.os }}
@@ -31,11 +35,9 @@ jobs:
  submodules: recursive
 
  - name: Configure CMake
- shell: bash
  run: cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -B build
 
  - name: Build
- shell: bash
  run: cmake --build build --config $BUILD_TYPE
 
  - name: Upload
@@ -53,8 +55,8 @@ jobs:
  contents: write
 
  steps:
- - name: Checkout to fetch tag annotation
- uses: actions/checkout@v4
+ - name: Install jq for JSON parsing
+ run: sudo apt-get install -y jq
 
  - name: Download binaries
  uses: actions/download-artifact@v4
@@ -67,7 +69,9 @@ jobs:
  run: ls -lR dist/
 
  - name: Extract release notes
- run: git cat-file tag ${{ github.ref }} | tail -n +3 > changelog.md
+ run: |
+ tag_url=$(curl https://api.github.com/repos/${{ github.repository }}/git/${{ github.ref }} | jq -r '.object.url')
+ curl $tag_url | jq -r '.message' | tail -n +3 | tee changelog.md
 
  - name: Attach binaries to release
  uses: softprops/action-gh-release@v2