feat(starknet_monitoring_endpoint): add metrics endpoint #7682

Job	Run time
build-papyrus-utilities-image	18s
executable-run	12m 45s
executable-run-no-rpc	11m 46s
integration-test	18m 18s
random-table-test	1m 4s
test-no-rpc	6m 6s
	50m 17s

Provide feedback