Add --host-postgres-host flag to CLI for localnet #69389

Job	Run time
file_change_determinator	12s
rust-consensus-only-unit-test	0s
rust-doc-tests	5m 7s
rust-consensus-only-smoke-test	0s
rust-unit-tests	0s
rust-cargo-deny	1m 43s
rust-lints	3m 27s
general-lints	29s
rust-check-merge-base	1m 50s
rust-cryptohasher-domain-separation-check	0s
rust-smoke-tests	28m 31s
rust-targeted-unit-tests	7m 27s
rust-build-cached-packages	2m 5s
	50m 51s

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