Aligns the code-generator with the ACK runtime v0.7.0
New features:
- Add sdk addon hook (#94)
- Mark status fields as optional (#129)
- Add script and Github workflow for ensuring version in sync (#130)
- Secret errors to be terminal code (#131)
- Add AWS_ENDPOINT_URL to Helm chart templates (#133)
- Remove performSpecUpdate(boolean) from SetOutput. (#132)