tweak head_ref in db to match what report expects

Author: strtgbb

tests/ci/clickhouse_helper.py

@@ -219,7 +219,7 @@ def prepare_tests_results_for_clickhouse(
 ) -> List[dict]:
     base_ref = pr_info.base_ref
     base_repo = pr_info.base_name
-    head_ref = pr_info.head_ref
+    head_ref = pr_info.head_branch
     head_repo = pr_info.head_name
     pull_request_url = f"https://github.com/{GITHUB_REPOSITORY}/commits/{head_ref}"
     if pr_info.number != 0:

tests/ci/pr_info.py

@@ -328,6 +328,8 @@ def __init__(
             self.head_ref = ref
             self.head_name = self.repo_full_name
 
+        self.head_branch = github_event.get("head_branch", "unknown branch")
+
         if need_changed_files:
             self.fetch_changed_files()