Update actions/checkout digest to 8e8c483

Author: renovate[bot]

.github/workflows/build-and-push.yaml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout Code
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
       - name: Set up Docker Buildx
         id: buildx