Add johngmyers as approver

[johngmyers]

Description

Add @johngmyers as an approver

Requirements:

[x] Reviewer of the codebase for at least 3 months

[x] Primary reviewer for at least 10 substantial PRs to the codebase

#3285, #3174, #3201, #3104, #3589,
#3590, #3297, #2553 #3295, #3263,
#3738, #3451, #3745, #3695, #3690,
#3724

[x] Reviewed or merged at least 30 PRs to the codebase

#3285, #3174, #2157, #3261, #3201,
#3297, #2461, #3546, #3589, #3588,
#3590, #3607, #3600, #3603, #3590,
#3295, #3263, #3222, #2054, #2553,
#3104, #3263, #3640, #3660, #3652,
#3674, #3635, #3648, #3729, #3738,
#3736, #3451, #3745, #3690, #3724,
#3711, #3758, #3702, #3726, #3863,
#3835

[ ] Nominated by a subproject owner
[ ] With no objections from other subproject owners
[x] Done through PR to update the top-level OWNERS file

Checklist

• Unit tests updated
• End user documentation updated

[Raffo]

Thank you for all your work. The project wouldn't be how it is today without you joining to help.

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Raffo

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 [Raffo]

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