update PR workflow to trigger on develop branch

Author: Pouyanpi

.github/workflows/pr-tests.yml

@@ -1,8 +1,9 @@
 name: PR Tests
 
 on:
+  push:
+
   pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
     # we don't ignore markdkowns to run pre-commits
     paths-ignore:
       - ".github/**"