util: add hex colors support in `styleText` #3180

Job	Run time
Build slim tarball	1m 32s
x86_64-darwin: with shared libraries	1h 43m 58s
x86_64-linux: with shared libraries	39m 46s
aarch64-linux: with shared libraries	31m 34s
aarch64-darwin: with shared libraries	2h 32m 16s
	5h 29m 6s

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