mavsdk_tests: report speed factor every second

This helps in debugging slow CI.

test/mavsdk_tests/mavsdk_test_runner.py

@@ -436,6 +436,7 @@ class Tester:
             test['model'],
             case,
             self.config['mavlink_connection'],
+            self.speed_factor,
             self.verbose)
         self.active_runners.append(mavsdk_tests_runner)