Perhaps fix labeler

Author: martindurant

.github/workflows/needs_release_notes.yml

@@ -11,7 +11,12 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9  # v5.0.0
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-        sync-labels: true
+      - uses: actions/checkout@v4
+        # https://github.com/actions/labeler/issues/712#issuecomment-2454544085
+        with:
+          clean: false
+          ref: ${{ github.event.pull_request.head.sha }}
+      - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9  # v5.0.0
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          sync-labels: true