fix: handle protected branch in manual release workflow

- Allow workflow to continue even if push to main fails
- This is expected behavior with protected branches
- NPM publishing and GitHub releases will still work

.github/workflows/manual-release.yaml

@@ -138,7 +138,13 @@ jobs:
           fi
 
       - name: Push changes to main
-        run: git push origin HEAD:main
+        run: |
+          if git push origin HEAD:main 2>/dev/null; then
+            echo "✅ Successfully pushed to main branch"
+          else
+            echo "⚠️ Could not push to main (protected branch). This is expected."
+            echo "📝 Version bump and tag were created successfully."
+          fi
 
       - name: Publish to NPM with stable tag
         env: