Release 0.12.4-adobe-20200920

Changelog:

Internal

• INTERNAL - Sync helm chart CRDs with generated version
• Add support for dedicated envoy deployment per brokerConfigGroup

Upstream:

• Fix failing test which checks if the alert is handled or not
• Add github action docker build and use github docker registry
• Fix alert processed issues which might happened incorrectly if cluster is reconcilling
• Move incrementby var out of the cycle
• Fix resizepvc alert command, do not mutate the brokerConfigGroups specs
• Use the official envoy image instead of the banzai built one
• Bump CC image to version 2.5.11
• Bump sarama client version from 2.5 to 2.6
• Update licence.toml file
• Update samples to use kafka 2.6.0
• Add annotation to make istio broker shutdown aware
• Update dependencies to use the latest patch available