fix: prevent commit messages with "quoted" content to break the sync CI

Author: imantsk

.github/workflows/sync.yml

@@ -15,12 +15,17 @@ jobs:
       - name: Check if sync is required
         id: check
         run: |
-          COMMIT_MSG="${{ github.event.head_commit.message }}"
+          {
+            echo 'COMMIT_MSG<<__EOF__'
+            echo '${{ github.event.head_commit.message }}'
+            echo '__EOF__'
+          } >> "$GITHUB_ENV"
+
           if [[ "$COMMIT_MSG" == *"(sync):"* ]]; then
-            echo "should_sync=true" >> $GITHUB_OUTPUT
+            echo "should_sync=true" >> "$GITHUB_OUTPUT"
             echo "::notice::Commit message contains (sync): - triggering sync workflow"
           else
-            echo "should_sync=false" >> $GITHUB_OUTPUT
+            echo "should_sync=false" >> "$GITHUB_OUTPUT"
             echo "::notice::Commit message does not contain (sync): - skipping sync"
           fi