Prevent CI/CD bot from deploying then erroring before merging if PR missing CODEOWNERS approval, this is breaking synchronous deployments.

Author: bcrant

sqlmesh/integrations/github/cicd/controller.py

@@ -773,6 +773,11 @@ def deploy_to_prod(self) -> None:
                 "PR is already merged and this event was triggered prior to the merge."
             )
         merge_status = self._get_merge_state_status()
+        if merge_status.is_blocked:
+            raise CICDBotError(
+                "Merge commit cannot be cleanly created. Likely missing CODEOWNERS approval. "
+                "Please check PR and resolve any issues."
+            )
         if merge_status.is_dirty:
             raise CICDBotError(
                 "Merge commit cannot be cleanly created. Likely from a merge conflict. "