feat: Store load test run

Allows the monitor to wait until the run starts and share the run id with the load test script.

platform_plugin_aspects/management/commands/load_test_tracking_events.py

@@ -132,7 +132,7 @@ def record_to_clickhouse(self, event_type, extra) -> None:
         log.info(extra)
         insert = f"INSERT INTO {self.ch_runs_table} (run_id, event_type, extra) FORMAT TSV "
 
-        output = io.StringIO()
+        output = io.StringIO(newline="\n")
         writer = csv.writer(output, dialect="excel-tab")
         writer.writerow((self.run_id, event_type, json.dumps(extra)))
         print(output.getvalue().encode("utf-8"))