[JIT-1706] Propagate heartbeat configs to relayer_config when updated thru CLI #370

Job	Run time
test	0s
check	0s
cargo-test-sbf (token/program)	12m 54s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	22m 24s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	15m 48s
cargo-test-sbf (token-upgrade/program)	15m 47s
cargo-test-sbf (feature-proposal/program)	15m 38s
cargo-test-sbf (governance/addin-mock/program, governance/program)	20m 21s
cargo-test-sbf (memo/program)	12m 34s
cargo-test-sbf (name-service/program)	12m 35s
cargo-test-sbf (stake-pool/program)	21m 23s
cargo-test-sbf (single-pool/program)	17m 10s
	2h 46m 34s

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