Fix PR Triage action (#2495)

Author: sheneska

.github/workflows/pull-request.yml

@@ -6,6 +6,9 @@ jobs:
   triage:
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3 
+      with:
+        repository: "hashicorp/terraform-provider-kubernetes"
     - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9 # v5.0.0
       with:
         configuration-path: .github/labeler-pull-request-triage.yml