ci: fix branch name

BoYanZh · BoYanZh · commit c038440e5a92 · 2021-04-25T00:50:29.000+08:00
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -2,9 +2,9 @@ name: Package Application with Pyinstaller
 
 on:
   push:
-    branches: [ exe ]
+    branches: [ master ]
   pull_request:
-    branches: [ exe ]
+    branches: [ master ]
 
 jobs:
   build:
