hello-world-app release v2.10.0

Added

• Chart: add annotations io.giantswarm.application.audience and io.giantswarm.application.managed to metadata.

Changed

• Chart: change annotation application.giantswarm.io/team to the OCI-compliant form io.giantswarm.application.team.
• Chart: update sources list.
• Chart: update keywords list.

Removed

• Chart: Remvove maintainers key.
• Template helpers: Remove giantswarm.io/service-type: managed annotation.