tests

chore(dev-deps): bump @salesforce/cli-plugins-testkit #948

Job	Run time
yarn-lockfile-check / lockfile-check	7s
linux-unit-tests / determine-node-versions	1s
linux-unit-tests / linux-unit-tests (current)	1m 3s
linux-unit-tests / linux-unit-tests (lts/*)	1m 5s
linux-unit-tests / linux-unit-tests (lts/-1)	1m 2s
windows-unit-tests / determine-node-versions	1s
nuts (windows-latest) / yarn test:nuts	15m 45s
nuts (ubuntu-latest) / yarn test:nuts	6m 6s
windows-unit-tests / windows-unit-tests (current)	2m 43s
windows-unit-tests / windows-unit-tests (lts/*)	4m 32s
windows-unit-tests / windows-unit-tests (lts/-1)	3m 58s
	36m 23s

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