[CI] Also run tests on push to main branch

.github/workflows/test-dev.yml

@@ -1,6 +1,9 @@
 name: Development tests
 on:
-  pull_request
+  push:
+    branches:
+      - 'main-ose'
+  pull_request:
 
 concurrency:
   group: test-dev-${{ github.ref }}