ci: remove concurrency for labeler (#11691)

.github/workflows/labeler.yml

@@ -3,12 +3,9 @@
 name: Pull Request Labeler
 on:
   schedule:
-    - cron: '*/5 * * * *'
+    - cron: '*/10 * * * *'
 env:
   DO_NOT_TRACK: 1
-concurrency:
-  group: labeller
-  cancel-in-progress: true
 jobs:
   labeler:
     runs-on: ubuntu-latest