Update actions/checkout action to v4

Author: renovate[bot]

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

@@ -9,7 +9,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: google-github-actions/auth@v1
         with:
           workload_identity_provider: "projects/907031882243/locations/global/workloadIdentityPools/github/providers/github"
@@ -40,7 +40,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: google-github-actions/auth@v1
         with:
           workload_identity_provider: "projects/907031882243/locations/global/workloadIdentityPools/github/providers/github"
@@ -71,7 +71,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: google-github-actions/auth@v1
         with:
           workload_identity_provider: "projects/907031882243/locations/global/workloadIdentityPools/github/providers/github"
@@ -102,7 +102,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: google-github-actions/auth@v1
         with:
           workload_identity_provider: "projects/907031882243/locations/global/workloadIdentityPools/github/providers/github"