chore: update .github/workflows/lint.yaml

Author: cloud-foundation-bot

.github/workflows/lint.yaml

@@ -31,7 +31,7 @@ jobs:
     name: 'lint'
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v3'
+      - uses: 'actions/checkout@v4'
       - id: variables
         run: |
           MAKEFILE=$(find . -name Makefile -print -quit)