zlib: add support for brotli compression dictionary #3326

Job	Run time
Build slim tarball	2m 33s
aarch64-linux: with shared libraries	56m 4s
x86_64-darwin: with shared libraries	57m 15s
aarch64-darwin: with shared libraries	37m 22s
x86_64-linux: with shared libraries	1h 0m 24s
	3h 33m 38s

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