ci: update GitHub Actions workflow to use master branch

CoderYellow · CoderYellow · commit 4db052f1a8b2 · 2026-07-20T07:57:52.000+08:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: CI
 
 on:
     push:
-        branches: [main]
+        branches: [master]
     pull_request:
-        branches: [main]
+        branches: [master]
 
 concurrency:
     group: ci-${{ github.ref }}
