Check commitResult

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/workflows/vendor.yml

@@ -223,6 +223,7 @@ jobs:
           git add vendor/sources.json
           $commitResult = git commit -m "⬆️ Update dependencies ($env:LIST_UPDATED)"
 
+          if ($commitResult) {
             # Push directly to master
             git push origin HEAD:master
 
@@ -233,6 +234,7 @@ jobs:
 
             # Set a flag to skip PR creation
             echo "AUTO_MERGED=true" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+          }
         } catch {
           echo "" >> $env:GITHUB_STEP_SUMMARY
           echo "⚠️ **Warning:** Unable to automatically merge updates." >> $env:GITHUB_STEP_SUMMARY