Test

feat: add [key: i32]: string to String type definition #4887

Job	Run time
Check	4s
Compiler (ubuntu, node lts/*)	1m 52s
Compiler (ubuntu, node current)	1m 47s
Compiler (macos, node current)	2m 29s
Compiler (macos, node lts/*)	1m 14s
Features	23s
Compiler (windows, node current)	1m 55s
Compiler (windows, node lts/*)	2m 21s
Bootstrap (debug)	4m 3s
Bootstrap (release)	4m 56s
Runtimes	30s
Loader	21s
Coverage	4m 4s
	25m 59s

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