Merge pull request GoogleCloudPlatform#87 from renovate-bot/renovate/actions-setup-go-6.x

chore(deps): update actions/setup-go action to v6

Author: agrawal-siddharth

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: Set up Go
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
         go-version: ${{ matrix.go-version }}