🌱 [PROPOSAL] Move nrb to maintainer

[richardcase]

What type of PR is this?

/kind support

What this PR does / why we need it:

I propose that @nrb be moved from reviewer to maintainer. Nolan has shown great commitment to the project and meets the requirements for maintainership IMHO.

Lazily consensus until Friday 24th May.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

Checklist:

• squashed commits
• includes documentation
• includes emojis
• adds unit tests
• adds or updates e2e tests

Release note:

Make @nrb a maintainer 

/cc @dlipovetsky @Ankitasw @vincepri

[richardcase]

/test pull-cluster-api-provider-aws-test

[Ankitasw]

+1 from my side 👍 thanks for all the great work @nrb

[vincepri]

+1 from my side as well

[richardcase]

Enough time has passed. Thank @nrb for stepping up to be a maintainer.

/approve
/lgtm

[k8s-ci-robot]

@richardcase: you cannot LGTM your own PR.

In response to this:

Enough time has passed. Thank @nrb for stepping up to be a maintainer.

/approve
/lgtm

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: richardcase

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[richardcase]

@Ankitasw @dlipovetsky @vincepri @damdo - could you lgtm this when you get time?

[damdo]

/lgtm

Thanks @nrb !