chore(actions): temporary checkout repo to override labeler config

This should be reverted after `master` is fixed as it is slower than fetching using the API

.github/workflows/label.yml

@@ -10,13 +10,12 @@ on: [pull_request_target]
 
 jobs:
   label:
-
-    runs-on: ubuntu-latest
     permissions:
       contents: read
       pull-requests: write
 
     steps:
+    - uses: actions/checkout@v3 # temporary, revert after `master` is fixed
     - uses: actions/labeler@v5
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"