## What this PR does
This patch moves the build of the Redis operator into the Cozystack
organization and patches it to prevent overwriting third-party labels on
owned resources.
### Release note
```release-note
[redis-operator] Move operator into tree and patch it to retain
third-party labels on owned resources, reducing noisy traffic to the API
server.
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Chores**
* Implemented automated Docker image build pipeline with version
tracking and caching.
* Updated image configuration to include repository reference and digest
for reproducibility.
* **Bug Fixes**
* Improved label and annotation handling to preserve existing Kubernetes
resource metadata instead of overwriting it.
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