更新工作流配置，只对released结尾的tag进行处理

.github/workflows/python-package.yml

@@ -5,11 +5,8 @@ name: Python package
 
 on:
   push:
-    branches: [ "master" ]
     tags:
       - '*released'
-  pull_request:
-    branches: [ "master" ]
   workflow_dispatch: