Change the push-checks back into also PRs.

Renamed to suit.

.github/workflows/push-and-pr-checks.yml

@@ -5,11 +5,13 @@
 #
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
-name: Push-Checks
+name: Push and PR Checks
 
 on:
   push:
     branches: [ develop ]
+  pull_request:
+    branches: [ develop ]
 
 jobs:
   build: