Add chekout action to be on the package repository

Author: llrs-roche

.github/workflows/build-check-install.yaml

@@ -517,6 +517,7 @@ jobs:
 
       - name: Check only affected modules
         if: startsWith(${{ github.event.repository.name }}, "teal.modules.") && github.event_name == 'pull_request'
+        uses: actions/[email protected]
         run: |
           # Get the list of R files that have changed
           files=$(git diff --name-only main.. -- tests/* R/*.R)