feat(workflow): change when to make CI

We will abandon develop branch for a while. It's better to work with
feature branches.

.github/workflows/go-test.yaml

@@ -4,13 +4,13 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
     branches:
-      - develop
+      - master
+      - main
   push:
     branches:
       - master
       - main
-      - develop
-      - 'releases/**'
+      - "releases/**"
 jobs:
   tests:
     runs-on: ubuntu-latest