Update roles based on governance:

[jacobweinstock]

Description

https://github.com/tinkerbell/org/blob/main/GOVERNANCE.md Updating roles based on contributions over the last 8 months. See the tinkerbell/org repo and the devstats.sh script to see the data.

Why is this needed

Fixes: #

How Has This Been Tested?

How are existing users impacted? What migration steps/scripts do we need?

Checklist:

I have:

• [ ] updated the documentation and/or roadmap (if required)
• [ ] added unit or e2e tests
• [ ] provided instructions on how to upgrade

[codecov[bot]]

Codecov Report

Merging #142 (82a1aa8) into main (8fee9ab) will not change coverage. The diff coverage is n/a.

:exclamation: Current head 82a1aa8 differs from pull request most recent head d57f85a. Consider uploading reports for the commit d57f85a to get more accurate results

@@           Coverage Diff           @@
##             main     #142   +/-   ##
=======================================
  Coverage   84.90%   84.90%           
=======================================
  Files           8        8           
  Lines         444      444           
=======================================
  Hits          377      377           
  Misses         54       54           
  Partials       13       13           

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