Leon Maia

Results 2 issues of Leon Maia

WIP previous revert: https://github.com/appsignal/rdkafka-ruby/pull/193

## Description Fixes consumer configuration naming. Some consumer configurations as `max_bytes_per_partition` and `max_bytes` were not standardised to use matching names with https://github.com/edenhill/librdkafka configurations and instead were still using what we...