<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
- **New Features**
- Enhanced management of Kubernetes secrets for `k8s-client`,
`kubeapps-client`, and `kubeapps-auth-config`.
- Improved handling of client secrets by reusing existing configurations
when available.
- **Bug Fixes**
- Addressed issues with static secret definitions, streamlining the
configuration process.
- **Chores**
- Removed outdated secret and Keycloak client definitions for cleaner
configuration management.
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