Update go.yml (#452)

.github/workflows/go.yml

@@ -2,9 +2,9 @@ name: Go
 
 on:
   push:
-    branches: [ master,release-* ]
+    branches: [ master,release-*,v2 ]
   pull_request:
-    branches: [ master,release-* ]
+    branches: [ master,release-*,v2 ]
 
 jobs:
   golangci: