ci: update go.yml workflow to trigger on pushes and PRs to any branches

This update enables GitHub Actions in forks, streamlining development
and testing.

.github/workflows/go.yml

@@ -5,9 +5,9 @@ name: Go
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "*" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "*" ]
 
 jobs: