Update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # Running golangci-lint
       - name: Run golangci-lint