Update tests.yml

Author: v0lta

.github/workflows/tests.yml

@@ -1,6 +1,10 @@
 name: Tests
 
-on: [ push ]
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 
 jobs:
   tests:
@@ -68,4 +72,4 @@ jobs:
       - name: Install dependencies
         run: pip install nox
       - name: Run pyroma
-        run: nox -s check-package
+        run: nox -s check-package