Sync to upstream Luau 0.657 #1797

Job	Run time
Build Server (windows-latest)	4m 54s
Verify and Build Roblox Studio Plugin	3m 9s
Build Server (ubuntu-20.04)	4m 7s
Test Extension (macos-latest)	54s
Build Server (macos-latest)	5m 23s
Test Extension (ubuntu-20.04)	42s
Test Extension (windows-latest)	2m 32s
Lint Extension	17s
Run Tests (windows-latest)	6m 46s
Run Tests (ubuntu-20.04)	6m 7s
Run selene	10s
Run stylua	6s
Run Tests (macos-latest)	6m 9s
Types Smoketest	4m 13s
	45m 29s

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