.github/workflows/ci: don't run on pushes (except to master)

daurnimator · daurnimator · commit e93c92c3b123 · 2021-01-28T00:25:48.000+11:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -1,6 +1,9 @@
 name: ci
 
-on: [push, pull_request]
+on:
+  pull_request: {}
+  push:
+    branches: [ $default-branch ]
 
 jobs:
   luacheck:
