Community docs improvement

[haripriya9647]

Describe the issue

I have identified a few corrections in the docs :

Page - https://www.kubernetes.dev/docs/guide/non-code-contributions/

• Find CNCF meetups near you link is broken
• "Management of communication tools (at the discretion of project maintainers) Mailing list moderation Slack or Discourse management" all the links are redirecting to the same page

Page - https://www.kubernetes.dev/docs/guide/issue-triage/#gubernator

• Gubernator link is broken

Page - https://www.kubernetes.dev/docs/guide/first-contribution/#sig-structure

• weekly meetings link is broken