use regular actions/checkout instead of Bhacaz/checkout-files (github#29181)

Author: Peter Bengtsson

.github/workflows/add-review-template.yml

@@ -19,11 +19,8 @@ jobs:
     if: github.event.label.name == 'add-review-template' && github.repository == 'github/docs-internal'
 
     steps:
-      - name: Download the template file
-        uses: Bhacaz/checkout-files@c8f01756bfd894ba746d5bf48205e19000b0742b
-        with:
-          files: .github/review-template.md
-          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Checkout
+        uses: actions/checkout@dcd71f646680f2efd8db4afa5ad64fdcba30e748
 
       # Jump through some hoops to work with a multi-line file
       - name: Store review template in variable