feat: add TypeSpec tsp-server support #5473

Job	Run time
test (ubuntu-latest, 27.2, false)	2m 9s
test (ubuntu-latest, 28.2, false)	2m 31s
test (ubuntu-latest, 29.4, false)	2m 26s
test (macos-latest, 28.2, false)	3m 50s
test (macos-latest, 29.4, false)	3m 41s
test (windows-latest, 27.2, false)	3m 7s
test (windows-latest, 28.2, false)	3m 10s
test (windows-latest, 29.4, false)	3m 26s
test (ubuntu-latest, snapshot, true)	1m 32s
test (macos-latest, snapshot, true)	2m 48s
test (windows-latest, snapshot, true)	5m 48s
	34m 28s

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