Update actions/checkout action to v4.2.1

Author: renovate[bot]

.github/workflows/pull_request.yml

@@ -15,7 +15,7 @@ jobs:
     name: "Build and release action"
     needs: [build]
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           fetch-depth: 0
           persist-credentials: true

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
     name: "Build and release action"
     needs: [build]
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           fetch-depth: 0
           persist-credentials: true