Change approvers to reviewers in front matter

[steveperry-53]

This is a...

• Feature Request
• Bug Report

Problem:
In several topics, in the front matter, we have an approvers list. But we want to restrict our approvers list to people in sig-docs-maintainers. And we the people who are automatically suggested as approvers to be restricted to those in sig-docs-maintainers.

Here's an example:
In #7439, we have this suggestion for an approver:
"To fully approve this pull request, please assign additional approvers.
We suggest the following additional approver: enisoc
Assign the PR to them by writing /assign @enisoc in a comment when ready."

How is it that enisoc was suggested as an approver?
I suspect it's because enisoc is listed as an aprover in the front matter of custom-resources.md.

---

title: Custom Resources
approvers:

• enisoc
• deads2k

---

Here's another example in #7445:
"We suggest the following additional approvers: davidopp, jbeda, jcbsmpsn, justinsb, lavalamp, liggitt, nikhiljindal, random-liu, thockin
Assign the PR to them by writing /assign @davidopp @jbeda @jcbsmpsn @justinsb @lavalamp @liggitt @nikhiljindal @Random-Liu @thockin in a comment when ready."

Proposed Solution:
In the front matter, change the name of the list from approvers to reviewers.

Page to Update:
Many pages in the kubernetes.io site.
Go to /docs. grep -r approvers

[steveperry-53]

/assign @steveperry-53
/cc @heckj
/cc @chenopis
/cc @Bradamant3

[fejta-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
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[nikhita]

#8644 is still open.

/remove-lifecycle stale