Integrate OAuth 0.17.0 grantType configuration

[mstruk]

Type of change

Select the type of your PR

• Enhancement / new feature

Description

A new configuration option grantType is added to client OAuth authentication configuration
A new configuration option clientGrantType is added to listener OAuth authentication configuration

Checklist

Please go through this checklist and make sure all applicable tasks have been done

• Write tests
• Make sure all tests pass
• Update documentation
• Check RBAC rights for Kubernetes / OpenShift roles
• Try your changes from Pod inside your Kubernetes and OpenShift cluster, not just locally
• Reference relevant issue(s) and close them after merging
• Update CHANGELOG.md
• Supply screenshots for visual changes, such as Grafana dashboards

[mstruk]

See: strimzi/strimzi-kafka-oauth#279

[mstruk]

This PR uses a pre-release version of OAuth libraries for now.