Test

fix: use single precision for dtoa with f32 #4816

Job	Run time
Check	5s
Runtimes	36s
Compiler (ubuntu, node current)	1m 52s
Compiler (ubuntu, node lts/*)	1m 57s
Coverage	4m 10s
Compiler (macos, node current)	1m 33s
Bootstrap (debug)	4m 14s
Compiler (macos, node lts/*)	1m 10s
Bootstrap (release)	4m 54s
Features	23s
Compiler (windows, node current)	1m 58s
Loader	18s
Compiler (windows, node lts/*)	2m 27s
	25m 37s

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