Update actions/checkout action to v4.1.5

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
       with:
         go-version: 1.17.x
     - name: Checkout code
-      uses: actions/[email protected].1
+      uses: actions/[email protected].5
     - name: Test
       run: |
         go test ./... -coverprofile=profile.cov