main/curl: add brotli support
It's supported since curl 7.57.0 and widely adopted
checking for BrotliDecoderDecompress in -lbrotlidec... yes
checking brotli/decode.h usability... yes
checking brotli/decode.h presence... yes
checking for brotli/decode.h... yes
new dependency on brotli-libs
~1MB
>>> libcurl*: Tracing dependencies...
ca-certificates
so:libbrotlidec.so.1
so:libc.musl-x86_64.so.1
so:libcrypto.so.1.1
so:libnghttp2.so.14
so:libssl.so.1.1
so:libz.so.1
Edited by Andy Postnikov