[move-stdlib] Introduce efficient OrderedMap implementation #73126

Job	Run time
file_change_determinator	9s
rust-doc-tests	6m 12s
rust-unit-tests	0s
rust-consensus-only-smoke-test	0s
rust-consensus-only-unit-test	0s
rust-cargo-deny	1m 45s
rust-lints	3m 44s
rust-check-merge-base	1m 24s
general-lints	28s
rust-build-cached-packages	2m 2s
rust-cryptohasher-domain-separation-check	0s
rust-smoke-tests	30m 8s
rust-targeted-unit-tests	21m 10s
	1h 7m 2s

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