Add rule to retry tests

[fylyppo]

Currently it doesn't work because some adjustments in patrol's package are needed, error message:

01-29 09:33:02.611  7398  7468 I flutter : [ERROR] 2024-01-29 09:33:02.610806	0:00:00.000275	POST	/runDartTest
01-29 09:33:02.611  7398  7468 I flutter : 'package:patrol/src/native/patrol_app_service.dart': Failed assertion: line 147 pos 12: '_testExecutionCompleted.isCompleted == false': is not true.
01-29 09:33:02.611  7398  7468 I flutter : dart:core                                                                 _AssertionError._throwNew
01-29 09:33:02.611  7398  7468 I flutter : package:patrol/src/native/patrol_app_service.dart 147:12                  PatrolAppService.runDartTest
01-29 09:33:02.611  7398  7468 I flutter : package:patrol/src/native/contracts/patrol_app_service_server.dart 27:28  PatrolAppServiceServer.handle
01-29 09:33:02.613  7398  7449 E PatrolServer: PatrolJUnitRunner.runDartTest(test name): Invalid response 500, Internal Server Error