Update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -28,7 +28,7 @@ jobs:
       id-token: none
 
     steps:
-      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # tag=v3.1.0
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
       - name: Login to GitHub
         if: github.event_name != 'pull_request'