Adding Manabu to the reviewers

[vara-bonthu]

Purpose of this PR

Proposed changes:

• Add Manabu to OWNERS file as an Approver
• Update relevant documentation to reflect new approver status

Change Category

• Bugfix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that could affect existing functionality)
• [ X] Documentation update

Rationale

Manabu has shown exceptional dedication and technical expertise in the Spark Operator project:

1. Active Community Contributions:

   • Raised multiple high-quality PRs
   • Conducted and published comprehensive Spark Operator benchmarks
   • Actively moderates the CNCF Spark Operator channel

2. Technical Leadership:

   • Provides valuable technical reviews on PRs
   • Helps community members with issues and questions
   • Contributes to project documentation and best practices

3. Community Management:

   • Moderates and maintains the CNCF Spark Operator channel
   • Helps onboard new contributors
   • Participates in community discussions and decision-making

Checklist

• I have conducted a self-review of my own code.
• I have updated documentation accordingly.
• I have added tests that prove my changes are effective or that my feature works.
• Existing unit tests pass locally with my changes.

Additional Notes

[ChenYi015]

/verify-owners
/lgtm

[ChenYi015]

@nabuskey I think you need to be a member of the kubeflow org first, then we can add you as a reviewer of this repo. See https://www.kubeflow.org/docs/about/membership/#member.

[ChenYi015]

/verify-owners
/approve

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ChenYi015

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 [ChenYi015]

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