Fix check examples workflow to only run once in pull requests (awslabs#673)

BMorinDrifter · web-flow · commit a00fe5d386d6 · 2023-07-07T11:11:08.000-07:00
diff --git a/.github/workflows/check-examples.yml b/.github/workflows/check-examples.yml
@@ -1,6 +1,9 @@
 name: Check examples
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [main]
+  pull_request:
 
 jobs:
   check:
