Protobuf tooling fix and upgrade#313

vcastellm merged 2 commits into

v0.3.0-dev0xPolygon/bor:v0.3.0-devfrom

vcastellm/pos-134-cleanup-protobuf-install-script-for-mac0xPolygon/bor:vcastellm/pos-134-cleanup-protobuf-install-script-for-macCopy head branch name to clipboard