Update go-build-and-test-example.yml

use yaml from main

.github/workflows/go-build-and-test-example.yml

@@ -14,7 +14,7 @@ jobs:
   build-example:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@main
 
     - name: Set up Go
       uses: actions/setup-go@v3