feat: added cancellation for most `polykey vaults` commands #186

Job	Run time
Check / Matrix	4s
Check / Lint	18s
Check / Build	19s
Build / Pull Request	0s
Check / Test (tests/acl)	20s
Check / Test (tests/audit)	19s
Check / Test (tests/bootstrap)	25s
Check / Test (tests/claims)	18s
Check / Test (tests/client)	18s
Check / Test (tests/discovery)	19s
Check / Test (tests/gestalts)	20s
Check / Test (tests/git)	18s
Check / Test (tests/http)	20s
Check / Test (tests/identities)	21s
Check / Test (tests/ids)	22s
Check / Test (tests/keys)	20s
Check / Test (tests/network)	20s
Check / Test (tests/nodes)	20s
Check / Test (tests/notifications)	19s
Check / Test (tests/schema)	20s
Check / Test (tests/sessions)	20s
Check / Test (tests/sigchain)	19s
Check / Test (tests/status)	17s
Check / Test (tests/tasks)	17s
Check / Test (tests/tokens)	21s
Check / Test (tests/utils)	19s
Check / Test (tests/validation)	19s
Check / Test (tests/vaults)	18s
Check / Test (tests/workers)	17s
Check / Test (tests/PolykeyAgent.test.ts)	18s
Check / Test (tests/PolykeyClient.test.ts)	20s
Check / Test (tests/index.test.ts)	19s
Check / Test (tests/scratch.test.ts)	19s
Check / Test (tests/utils.test.ts)	18s
Integration / Merge	0s
Check / Coverage	0s
	10m 21s

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