only action on main

Author: will-maclean

.github/workflows/cov.yml

@@ -1,6 +1,12 @@
 name: Coverage
 
-on: [pull_request, push]
+on: 
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
 
 jobs:
   coverage:

.github/workflows/rust.yml

@@ -1,6 +1,12 @@
 name: Continuous Integration
 
-on: [push, pull_request]
+on: 
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
 
 jobs:
   build_and_test: