feat: add TypeSpec tsp-server support #5469

Job	Run time
test (ubuntu-latest, 27.2, false)	2m 9s
test (ubuntu-latest, 28.2, false)	2m 44s
test (ubuntu-latest, 29.4, false)	2m 45s
test (macos-latest, 28.2, false)	4m 22s
test (macos-latest, 29.4, false)	4m 18s
test (windows-latest, 27.2, false)	2m 35s
test (windows-latest, 28.2, false)	3m 44s
test (windows-latest, 29.4, false)	4m 11s
test (ubuntu-latest, snapshot, true)	1m 33s
test (macos-latest, snapshot, true)	3m 27s
test (windows-latest, snapshot, true)	5m 39s
	37m 27s

Provide feedback