add vitest and modify json import #30103

Job	Run time
opentrons app frontend unit tests	2m 51s
Determine build variant and type	1s
opentrons app backend unit tests on windows-2022	2m 47s
opentrons app backend unit tests on ubuntu-22.04	2m 47s
opentrons app backend unit tests on macos-11	2m 58s
Build release desktop app on windows-2022	7m 47s
Build internal-release desktop app on windows-2022	7m 41s
Build release desktop app on ubuntu-22.04	6m 2s
Build release odd app on ubuntu-22.04	3m 8s
Build internal-release desktop app on ubuntu-22.04	6m 15s
Build internal-release odd app on ubuntu-22.04	4m 17s
Build release desktop app on macos-11	7m 57s
Build internal-release desktop app on macos-11	7m 59s
Deploy built app artifacts to S3	0s
	1h 2m 30s

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