Fix release workflow to handle unchanged build files gracefully

- Use git diff --staged --quiet to only commit if there are changes
- Make push fail gracefully to allow release creation to continue
- Resolves issue where workflow fails when dist/index.js hasn't changed

.github/workflows/release.yml

@@ -30,8 +30,8 @@ jobs:
           git config --global user.name 'claude-code-review[bot]'
           git config --global user.email 'claude-code-review[bot]@users.noreply.github.com'
           git add -f dist
-          git commit -m 'Add built files'
-          git push origin HEAD:main
+          git diff --staged --quiet || git commit -m 'Add built files'
+          git push origin HEAD:main || echo "No changes to push or push failed"
         
       - name: Create Release
         uses: softprops/action-gh-release@v1