Bump google/protobuf from 3.10.0 to 3.12.4#70

dependabot-preview[bot] wants to merge 1 commit intomastertokenio/sdk-php:masterfrom

dependabot/composer/google/protobuf-3.12.4tokenio/sdk-php:dependabot/composer/google/protobuf-3.12.4Copy head branch name to clipboard