modify workflow

Author: k163377

.github/workflows/lint-and-test.yml

@@ -1,5 +1,13 @@
 name: lint-and-test
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
 jobs:
   lint-and-test:
     name: lint-and-test