RSC updates #4281

Job	Run time
TypeScript types	1m 36s
Benchmarks	11m 17s
Flow	54s
Integration tests (ubuntu-latest, Node 18)	9m 16s
Integration tests (macos-latest, Node 18)	14m 9s
Lint	1m 13s
Integration tests (windows-latest, Node 18)	18m 15s
Build REPL	11m 37s
Unit tests (ubuntu-latest, Node 18)	2m 35s
Integration tests (ubuntu-latest, Node 20)	8m 51s
Unit tests (macos-latest, Node 18)	2m 56s
Integration tests (macos-latest, Node 20)	7m 41s
Unit tests (windows-latest, Node 18)	2m 35s
Integration tests (windows-latest, Node 20)	16m 14s
Unit tests (ubuntu-latest, Node 20)	2m 35s
Unit tests (macos-latest, Node 20)	2m 53s
Unit tests (windows-latest, Node 20)	1m 16s
	1h 55m 53s

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