cloudnative-pg-app release v0.1.0

Added

• Add io.giantswarm.application.audience and io.giantswarm.application.managed chart annotations for Backstage visibility.

Changed

• Update cloudnative-pg to v1.29.1 (upstream chart v0.28.2).
• Limit the namespaces watched by the operator to those where we currently expect Giant Swarm postgresql clusters.
• Migrate chart metadata annotations to OCI-compatible format.