RC2 of Strimzi Kafka Operators 0.14.0

Jakub Scholz

We found a few bugs in the 0.14.0 RC1 release of the Strimzi operators. I therefore prepared RC2. The main changes since RC1 include:
* Manage network policies between Kafka Exporter and Kafka brokers.
* Documentation improvements
* CI improvements
* System test improvements

For more details and the upgrade procedure, go to: https://github.com/strimzi/strimzi-kafka-operator/releases/tag/0.14.0-rc2

Thanks & Regards