Update cla.yml

Author: xuwei-k

.github/workflows/cla.yml

@@ -4,7 +4,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: ./project/scripts/check-cla.sh
       env:
         AUTHOR: ${{ github.event.pull_request.user.login }}