feat(release): generate changelog for release drafts

Add a step to generate a changelog based on commits since the last tag. This changelog will be included in the release draft body for better visibility of changes.

Author: zetxtech

.github/workflows/publish.yml

@@ -114,6 +114,34 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')
 
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Generate changelog
+        id: changelog
+        run: |
+          # Get the previous tag
+          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
+          
+          if [ -n "$PREV_TAG" ]; then
+            echo "Getting changes since $PREV_TAG"
+            CHANGELOG=$(git log --pretty=format:"- %s (%h)" $PREV_TAG..HEAD)
+          else
+            echo "Getting all commits"
+            CHANGELOG=$(git log --pretty=format:"- %s (%h)")
+          fi
+          
+          # Output for use in release
+          {
+            echo 'body<<EOF'
+            echo "## What's Changed"
+            echo ""
+            echo "$CHANGELOG"
+            echo EOF
+          } >> $GITHUB_OUTPUT
+
       - name: Download JAR artifacts
         uses: actions/download-artifact@v4
         with:
@@ -133,8 +161,8 @@ jobs:
         uses: softprops/action-gh-release@v2
         with:
           draft: true
-          generate_release_notes: true
           name: CFSolver v${{ needs.build.outputs.version }}
+          body: ${{ steps.changelog.outputs.body }}
           files: |
             artifacts/cfsolver-*-all.jar
             artifacts/cfsolver.exe