Bump actions/checkout from 1 to 4 (#1239)

Author: dependabot[bot]

.github/workflows/build-pr.yml

@@ -147,7 +147,7 @@ jobs:
 
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
         with:
           ref: ${{ needs.get-refs.outputs.ref }}
           token: ${{ secrets.GH_TOKEN }}