Merge pull request GoogleCloudPlatform#78 from renovate-bot/renovate/actions-checkout-5.x

chore(deps): update actions/checkout action to v5

Author: agrawal-siddharth

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
         go-version: ['1.23.0', '1.24.0']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up Go
       uses: actions/setup-go@v5