nominate Xingyan and Zhen as repo owner

[RainbowMango]

What type of PR is this?

/kind documentation

What this PR does / why we need it: This PR puts @chaunceyjiang and @XiShanYongYe-Chang on the approver list of repo OWNER.

@chaunceyjiang and @XiShanYongYe-Chang have made substantial contributions over the past several years. Their dedication to writing maintainable, scalable, and efficient code has enhanced our software's performance and stability. They have actively participated in code reviews, ensuring adherence to best practices and coding standards, and mentoring others in troubleshooting and problem-solving.

As such, I believe that both @chaunceyjiang and @XiShanYongYe-Chang are well-prepared to assume additional responsibilities as Code Owners.

Contributions:

• @chaunceyjiang
  • PRs: https://github.com/karmada-io/karmada/pulls/chaunceyjiang
  • Reviewed PRs: https://github.com/pulls?q=is%3Aopen+is%3Apr+reviewed-by%3Achaunceyjiang+archived%3Afalse+user%3Akarmada-io
• @XiShanYongYe-Chang
  • PRs: https://github.com/karmada-io/karmada/pulls/XiShanYongYe-Chang
  • Reviewed PRs: https://github.com/pulls?q=is%3Aopen+is%3Apr+reviewed-by%3AXiShanYongYe-Chang+archived%3Afalse+user%3Akarmada-io+

Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[karmada-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[RainbowMango]

/assign @kevin-wangzefeng @Garrybest

[Garrybest]

/lgtm

Congratulations!