chore(dev-deps): bump @salesforce/cli-plugins-testkit #1441

Job	Run time
yarn-lockfile-check / lockfile-check	6s
linux-unit-tests / determine-node-versions	4s
linux-unit-tests / prevent-typescript-dependency / prevent-typescript-dependency	15s
linux-unit-tests / linux-unit-tests (current)	1m 45s
linux-unit-tests / linux-unit-tests (lts/*)	1m 44s
linux-unit-tests / linux-unit-tests (lts/-1)	1m 46s
windows-unit-tests / determine-node-versions	1s
nuts (ubuntu-latest, yarn test:nuts) / yarn test:nuts	9m 20s
nuts (windows-latest, yarn test:nuts:legacy) / yarn test:nuts:legacy	9m 1s
nuts (ubuntu-latest, yarn test:nuts:legacy) / yarn test:nuts:legacy	7m 6s
nuts (windows-latest, yarn test:nuts) / yarn test:nuts	37m 31s
windows-unit-tests / windows-unit-tests (current)	4m 1s
windows-unit-tests / windows-unit-tests (lts/*)	3m 40s
windows-unit-tests / windows-unit-tests (lts/-1)	6m 9s
	1h 22m 29s

Provide feedback