Add kafka client metrics (#6138)
* Add kafka client metrics
* Spotless
* Refactor to general purpose bridge between kafka client metrics and opentelemetry metrics
* Include kafka prefix, fix typo
* Spotless, update readme with latest metric names
* PR feedback
* Map rate measureables to gauges instead of up down counters
* Spotless, quote attributes, log placeholder
* Move metric table printing to test, only retain most granular attribute set
* PR feedback
* Remove synchornization from metricChange
* remove kafka dependency
* PR feedback
* Fix reset
* Adjust configuration pattern to not rely on GlobalOpenTelemetry
* Merge into KafkaTelemetry
* Relocate readme and fix typo
3e08f36cfa