chore(deps): update dependency ut-issl/s2e-core to v8 #1534

Job	Run time
pytest (mobc, src_core/applications)	6m 48s
pytest (mobc, src_core/system/event_manager/test_event_handler.py)	11m 42s
pytest (mobc, src_core/system/event_manager/test_event_logger.py)	8m 53s
pytest (mobc, src_core/system/task_manager)	5m 38s
pytest (mobc, src_core/system/watchdog_timer)	6m 2s
pytest (mobc, src_core/system/mode_manager)	5m 31s
pytest (mobc, src_core/system/time_manager)	6m 20s
pytest (mobc, src_core/tlm_cmd)	6m 34s
pytest (subobc, .)	6m 50s
	1h 4m 18s

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