fix bitbucket ask issue

pr_agent/git_providers/bitbucket_provider.py

@@ -26,6 +26,13 @@ class BitbucketProvider:
         if pr_url:
             self.set_pr(pr_url)
 
+    def get_repo_settings(self):
+        try:
+            contents = self.repo_obj.get_contents(".pr_agent.toml", ref=self.pr.head.sha).decoded_content
+            return contents
+        except Exception:
+            return ""
+
     def is_supported(self, capability: str) -> bool:
         if capability in ['get_issue_comments', 'create_inline_comment', 'publish_inline_comments', 'get_labels']:
             return False