ci: use CHANGELOG.md content as release notes

.github/workflows/release.yml

@@ -19,6 +19,17 @@ jobs:
         with:
           targets: aarch64-apple-darwin
 
+      - name: Extract changelog
+        id: changelog
+        run: |
+          VERSION="${GITHUB_REF_NAME#v}"
+          BODY=$(awk "/^## \[${VERSION}\]/{found=1; next} /^## \[/{if(found) exit} found{print}" CHANGELOG.md)
+          {
+            echo "body<<CHANGELOG_EOF"
+            echo "$BODY"
+            echo "CHANGELOG_EOF"
+          } >> "$GITHUB_OUTPUT"
+
       - name: Build release (arm64)
         run: cargo build --release --target aarch64-apple-darwin
 
@@ -33,4 +44,4 @@ jobs:
         uses: softprops/action-gh-release@v2
         with:
           files: wx-cli-${{ github.ref_name }}-macos-arm64.tar.gz
-          generate_release_notes: true
+          body: ${{ steps.changelog.outputs.body }}