ci: add required check for PRs

.wetf-repo.yml

@@ -0,0 +1,10 @@
+---
+# Repository configuration for wetransform managed repositories
+
+# Reference presets that should apply to this repository
+presets: []
+
+# List of custom required checks
+required_checks:
+  # check workflow is not managed, so we configure the required check manually
+  - check / check / run