chore(deps): update dependency ut-issl/s2e-core to v8 #1532

Job	Run time
pytest (mobc, src_core/applications)	6m 37s
pytest (mobc, src_core/system/event_manager/test_event_handler.py)	11m 49s
pytest (mobc, src_core/system/event_manager/test_event_logger.py)	8m 49s
pytest (mobc, src_core/system/task_manager)	5m 37s
pytest (mobc, src_core/system/watchdog_timer)	5m 47s
pytest (mobc, src_core/system/mode_manager)	5m 40s
pytest (mobc, src_core/system/time_manager)	6m 15s
pytest (mobc, src_core/tlm_cmd)	6m 27s
pytest (subobc, .)	6m 35s
	1h 3m 36s

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