tests

chore(dev-deps): bump @salesforce/cli-plugins-testkit #1492

Job	Run time
yarn-lockfile-check / lockfile-check	7s
linux-unit-tests / determine-node-versions	2s
linux-unit-tests / linux-unit-tests (current)	1m 1s
linux-unit-tests / linux-unit-tests (lts/*)	1m 3s
linux-unit-tests / linux-unit-tests (lts/-1)	1m 1s
windows-unit-tests / determine-node-versions	2s
nuts (ubuntu-latest) / yarn test:nuts	2m 54s
nuts (windows-latest) / yarn test:nuts	7m 13s
windows-unit-tests / windows-unit-tests (current)	3m 22s
windows-unit-tests / windows-unit-tests (lts/*)	3m 33s
windows-unit-tests / windows-unit-tests (lts/-1)	3m 56s
	24m 14s

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