chore(deps): update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/docker.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check Out Repo
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3.2.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
       - name: Set up Docker Buildx
         id: buildx