feat: add mempool-bridge service integration #2891

Job	Run time
assertoor	6m 47s
lint	32s
run_starlark	1m 10s
run_with_args (./.github/tests/mev-mock.yaml)	1m 39s
run_with_args (./.github/tests/mix-with-tools.yaml)	3m 33s
run_with_args (./.github/tests/mix-public.yaml)	3m 29s
run_with_args (./.github/tests/minimal.yaml)	2m 13s
run_with_args (./.github/tests/mix-persistence.yaml)	2m 55s
run_with_args (./network_params.yaml)	1m 24s
run_with_args (./.github/tests/mev.yaml)	2m 1s
	25m 43s

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