Test jit plugin install with matrix #1771

Job	Run time
get-jit-plugins	6s
artifacts	1m 24s
manifest	1m 5s
yarn-lockfile-check / lockfile-check	12s
tarballs / tarballs	4m 38s
ut / linux-unit-tests / linux-unit-tests (lts/*)	33s
ut / linux-unit-tests / linux-unit-tests (latest)	36s
ut / windows-unit-tests / windows-unit-tests (lts/*)	4m 30s
ut / windows-unit-tests / windows-unit-tests (latest)	4m 24s
jit-install (ubuntu-latest, @salesforce/plugin-community)	4m 0s
jit-install (ubuntu-latest, @salesforce/plugin-custom-metadata)	1m 57s
jit-install (windows-latest, @salesforce/plugin-community)	3m 11s
jit-install (windows-latest, @salesforce/plugin-custom-metadata)	3m 13s
	29m 49s

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