util: add hex colors support in `styleText` #2824

Job	Run time
Build slim tarball	1m 33s
x86_64-linux: with shared libraries	2h 5m 29s
aarch64-linux: with shared libraries	1h 29m 53s
x86_64-darwin: with shared libraries	1h 14m 34s
aarch64-darwin: with shared libraries	2h 42m 21s
	7h 33m 50s

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