* Introduce new InstantClient version property
Needed because ojdbc8 versions for Oracle 23 have different version semantics
Also adjusted documentation/build pipelines
* Introduce oracle-23 profile
Allows testing Oracle 23 separately from distribution builds
In order to stabilize testsuite on Docker and Kuberetes following changes were made:
- Remove port forwarding from testsuite
- Increase poll timeout
- Separate Mongo test classes based on deployment and streaming mode
- Allow both Docker and Kubernetes Mongo deployments use connection string
- Create container for testsuite
- Create kubernetes deployment for the testsuite
* DBZ-6535 deleted jobs already migrated to gitlab
* DBZ-6535 removed upstream strimzi prepare job and deleted whole strimzi.kc.build=false option from testsuite, only artifact server option remains
