chore: update owners aliases and add new approvers

[kadel]

• Added a new team 'rhdh' with multiple approvers in OWNERS_ALIASES.
• Created new OWNERS files for .claude, .cursor, and .rulesync directories, assigning 'rhdh' as the approver.

Description

Please explain the changes you made here.

Which issue(s) does this PR fix

• Fixes #?

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[kadel]

/override "Build Image"

[openshift-ci]

@kadel: Overrode contexts on behalf of kadel: Build Image

In response to this:

/override "Build Image"

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[zdrapela]

/approve

[zdrapela]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

Approval requirements bypassed by manually added approval.

This pull-request has been approved by: zdrapela

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[kadel]

/override "Build Image"

[openshift-ci]

@kadel: Overrode contexts on behalf of kadel: Build Image

In response to this:

/override "Build Image"

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.