Test

breaking: bump supported Node.js version to v20+ #4847

Job	Run time
Check	5s
Compiler (ubuntu, node lts/*)	1m 20s
Bootstrap (debug)	4m 18s
Bootstrap (release)	4m 42s
Compiler (ubuntu, node current)	1m 23s
Compiler (macos, node current)	1m 9s
Compiler (macos, node lts/*)	1m 24s
Loader	18s
Coverage	3m 53s
Compiler (windows, node lts/*)	1m 9s
Compiler (windows, node current)	1m 10s
Features	22s
Runtimes	30s
	21m 43s

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