feat: support new `GenAI` metadata kind #880

Job	Run time
commit-lint	1m 16s
megalinter	1m 35s
npm-lint	1m 3s
pull-request-lint	4s
build / source	2m 1s
publish-dev	1m 22s
e2e-check / e2e-test (macos-latest, 18, sfdx-cli)	1m 1s
e2e-check / e2e-test (macos-latest, 18, @salesforce/cli)	1m 3s
e2e-check / e2e-test (macos-latest, 20, sfdx-cli)	54s
e2e-check / e2e-test (macos-latest, 20, @salesforce/cli)	1m 18s
e2e-check / e2e-test (windows-latest, 18, sfdx-cli)	6m 5s
e2e-check / e2e-test (windows-latest, 18, @salesforce/cli)	6m 53s
e2e-check / e2e-test (windows-latest, 20, sfdx-cli)	4m 24s
e2e-check / e2e-test (windows-latest, 20, @salesforce/cli)	7m 31s
e2e-check / e2e-test (ubuntu-latest, 18, sfdx-cli)	49s
e2e-check / e2e-test (ubuntu-latest, 18, @salesforce/cli)	53s
e2e-check / e2e-test (ubuntu-latest, 20, sfdx-cli)	47s
e2e-check / e2e-test (ubuntu-latest, 20, @salesforce/cli)	48s
	39m 47s

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