Update CODEOWNERS to change team ownership

[michikrug]

Type of Change

• Bugfix
• Enhancement / new feature
• Refactoring
• Documentation

Description

This pull request updates ownership and deployment configuration to reflect a service rename from diablo-redbook to my-service. The changes ensure that all references, including Docker image names, deployment paths, and code ownership, are aligned with the new service name.

Service rename and deployment updates:

• Updated all references in README.md from diablo-redbook to my-service, including Docker image names and GitOps deployment paths for dev, stage, and prod environments. [1] [2] [3]

Ownership update:

• Changed the default code owners in .github/CODEOWNERS from @Staffbase/diablo to @Staffbase/product-core-infra to reflect the new responsible team.

Checklist

• Write tests
• Make sure all tests pass
• Update documentation
• Review the Contributing Guideline and sign CLA
• Reference relevant issue(s) and close them after merging

[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

[michikrug]

I have read the CLA Document and I hereby sign the CLA