ci: run guarded Worker34 repair on PR synchronize events

.github/workflows/ci.yml

@@ -217,7 +217,7 @@ jobs:
           python tools/build-deterministic-zip.py "$package_dir" "$archive"
           second_hash="$(sha256sum "$archive" | awk '{print $1}')"
           if [[ "$first_hash" != "$second_hash" ]]; then
-            echo "Der ZIP-Build ist nicht byte-reproducible." >&2
+            echo "Der ZIP-Build ist nicht byte-reproduzierbar." >&2
             exit 1
           fi
           python -m zipfile -t "$archive"
@@ -240,7 +240,7 @@ jobs:
   # BEGIN TEMP WORKER34 PARSER REPAIR
   repair-worker34-parser:
     name: Worker34 PowerShell-5.1-Kompatibilität reparieren
-    if: github.ref == 'refs/heads/feature/updater-3.4-lifecycle'
+    if: github.ref == 'refs/heads/feature/updater-3.4-lifecycle' || github.event.pull_request.head.ref == 'feature/updater-3.4-lifecycle'
     permissions:
       contents: write
     runs-on: ubuntu-latest