[layer5-maintainers] Governance: Maintainer and Release Lead role updates for review

[Lee Calcote]

Hi All,

Please review this proposed update to Meshery’s governance documentation pertaining to the maintainer role - https://github.com/meshery/meshery/pull/12162. Suggestion changes as you see fit. Here’s another that describes the Release Lead role - https://github.com/meshery/meshery/pull/12082. 

All comments and suggestions are welcome on both of these pull requests.

Thanks,

Lee