Fix: release workflow pushes updates.xml to main automatically

When running from a non-main branch (e.g. dev), the workflow now
cherry-picks the updates.xml change to main so the Joomla update
server always has the latest SHA and download URLs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/release.yml

@@ -367,19 +367,39 @@ jobs:
           print(f"Updated {xml_tag} channel: version={version}, sha={sha256[:16]}..., date={date}")
           PYEOF
 
-      - name: "Commit updates.xml"
+      - name: "Commit updates.xml to current branch and main"
         run: |
           if git diff --quiet updates.xml 2>/dev/null; then
             echo "No changes to updates.xml"
             exit 0
           fi
+
+          STABILITY="${{ steps.meta.outputs.stability }}"
+          VERSION="${{ steps.meta.outputs.version }}"
+          CURRENT_BRANCH="${{ github.ref_name }}"
+          TOKEN="${{ secrets.GA_TOKEN }}"
+
           git config --local user.email "gitea-actions[bot]@mokoconsulting.tech"
           git config --local user.name "gitea-actions[bot]"
           git add updates.xml
-          git commit -m "chore: update ${STABILITY} SHA-256 for ${{ steps.meta.outputs.version }} [skip ci]" \
+          git commit -m "chore: update ${STABILITY} SHA-256 for ${VERSION} [skip ci]" \
             --author="gitea-actions[bot] <gitea-actions[bot]@mokoconsulting.tech>"
+
+          # Push to current branch
           git push || true
 
+          # Also push updates.xml to main (where the update server reads from)
+          if [ "$CURRENT_BRANCH" != "main" ]; then
+            git fetch origin main
+            git checkout main
+            git checkout "$CURRENT_BRANCH" -- updates.xml
+            git add updates.xml
+            git commit -m "chore: update ${STABILITY} channel to ${VERSION} on main [skip ci]" \
+              --author="gitea-actions[bot] <gitea-actions[bot]@mokoconsulting.tech>" || true
+            git push origin main || true
+            git checkout "$CURRENT_BRANCH"
+          fi
+
       - name: Summary
         run: |
           VERSION="${{ steps.meta.outputs.version }}"