fix(ci): correct YAML syntax for multi-line commit message

Author: GlyphSH

.github/workflows/sync-tags.yml

@@ -55,9 +55,8 @@ jobs:
           git config user.name "GitHub Actions Bot"
           git config user.email "actions@github.com"
           git add content/scripts/
-          git commit -m "chore(scripts): auto-sync tags from msp-scripts metadata
-
-Synced by GitHub Actions from msp-scripts@${{ github.sha }}"
+          git commit -m "chore(scripts): auto-sync tags from msp-scripts metadata" \
+                     -m "Synced by GitHub Actions from msp-scripts@${{ github.sha }}"
           git push origin develop
 
       - name: Summary