A new release of the Flux Operator (v0.15.0) - to go with the newly
created Flux v2.5.0 release
(And to go with that, a new version of the flux-instance chart.)
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## Summary by CodeRabbit
## Summary by CodeRabbit
- **New Features**
- Introduced enhanced operator capabilities by adding new resource
types, including `ResourceSetInputProvider` and `ResourceSet`.
- Expanded configuration options for deployments, including settings for
artifact pull secrets and customizable synchronization intervals.
- Added support for multitenancy and role-based access control
configurations.
- **Documentation**
- Updated version information and badges to reflect the upgrade to
version 0.15.0.
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Signed-off-by: Kingdon B <kingdon@urmanac.com>