#### What type of PR is this?
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/kind cleanup
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#### What this PR does / why we need it:
Update the owners as people who haven't reviewed / approved for a while
keep getting pings / notifications about reviewing.
#### Which issue(s) this PR fixes:
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N/A
#### Special notes for your reviewer:
N/A
Signed-off-by: Charlie Drage <charlie@charliedrage.com>
Owners file currently isn't being used (unless we have the Kubernetes
bot in-use), however, it needed a well-overdue update.
I've gone ahead and updated the CONTRIBUTING.md doc to add the change
that it requires *two* reviews for a code-review and one for a doc
review.
