Fix execute_hogql_query espionage

Wow, this was a pain to figure out, only was an issue in CI, because the trigger was `TestCohort::test_creating_update_and_calculating_with_new_cohort_query` running prior to `TestInsight:: test_insight_refreshing_query` – had to use trial and error.

posthog/api/test/test_insight.py

@@ -1131,7 +1131,7 @@ def test_insight_refreshing_legacy(self, spy_update_insight_cache) -> None:
                 ],
             )
 
-    @patch("posthog.hogql.query.execute_hogql_query", wraps=execute_hogql_query)
+    @patch("posthog.hogql_queries.insights.trends.trends_query_runner.execute_hogql_query", wraps=execute_hogql_query)
     def test_insight_refreshing_query(self, spy_execute_hogql_query) -> None:
         dashboard_id, _ = self.dashboard_api.create_dashboard({"filters": {"date_from": "-14d"}})