* bump protobuf to 3.17.3
3.18.x are broken for mmingw builds atm
* fix `warning: 'ByteSize' is deprecated: Please use ByteSizeLong() instead [-Wdeprecated-declarations]`
19a0c4af0f depends: native_protobuf: avoid system zlib (Carl Dong)
Pull request description:
I don't believe we use any zlib features in protobufs
Tree-SHA512: cd09229f3fac215f58e9ddd4871f190cf2a301e25939aaa1c6ee130d1ba5bbb00d9ebe9ca012a2894bac4c2db923259f34fe43e255ad55ccd2b11ec88afc2a8f