1.9.0

• Extract the Spring Boot starters to their own repositories.
  IMPORTANT: moving forward, these starters will not be automatically kept in sync with the core SDK anymore unless we can find a maintainer for them.
  • https://github.com/java-operator-sdk/operator-framework-spring-boot-starter
  • https://github.com/java-operator-sdk/operator-framework-spring-boot-starter-test
• Update to fabric8 client 5.4.1
• Add possibility to configure termination timeout #421
• Make it possible to not automatically add finalizers #415
• Simplify wiring of event sources
• Make it possible to retrieve parent ConfigurationService from ControllerConfiguration
• Configure the ObjectMapper at the ConfigurationService level