feat: update build.yaml

.gitea/workflows/build.yml

@@ -1,14 +1,16 @@
-name: build quyun abc
+name: build quyun
 run-name: ${{ gitea.actor }} build quyun
-on: [push]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   Build:
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        shell: bash
-        working-directory: /workspace/rogee/quyun
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4