refactor: add new package @metamask/keyring-utils #79

Job	Run time
Check workflows	4s
Build, lint, and test / Prepare (18.x)	31s
Build, lint, and test / Prepare (20.x)	24s
Build, lint, and test / Build (18.x)	46s
Build, lint, and test / Build (20.x)	49s
Build, lint, and test / Lint (18.x)	49s
Build, lint, and test / Test (18.x)	1m 54s
Build, lint, and test / Test (20.x)	1m 38s
Build, lint, and test / Lint (20.x)	46s
Build, lint, and test / Validate changelog (20.x, @metamask/keyring-api)	33s
Build, lint, and test / Validate changelog (20.x, @metamask/eth-hd-keyring)	27s
Build, lint, and test / Validate changelog (20.x, @metamask/eth-ledger-bridge-keyring)	27s
Build, lint, and test / Validate changelog (20.x, @metamask/eth-simple-keyring)	31s
Build, lint, and test / Validate changelog (20.x, @metamask/eth-trezor-keyring)	36s
Build, lint, and test / Validate changelog (20.x, @metamask/eth-snap-keyring)	31s
Build, lint, and test / Validate changelog (20.x, @metamask/keyring-utils)	25s
All jobs completed	1s
All jobs pass	1s
is-release	0s
Publish release	0s
	11m 13s

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