🌱 Add sivchari to Cluster API reviewers

[sivchari]

What this PR does / why we need it:

Hello team, I'd like to nominate myself to Cluster API reviewers.
I have learned a lot from the Cluster API.
And I'd like to step up and continue contributing more with more responsibility and to learn more.

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 #

[sivchari]

/area documentation

[sivchari]

/cc @fabriziopandini

[sbueringer]

Thank you very much for all your contributions! Really really appreciate it!

/lgtm
/approve

/hold
for some sort of lazy consensus

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: c3c3ef399aa407a5b034761ae34c275ae1c85cf0

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sbueringer

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 [sbueringer]

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

[fabriziopandini]

Big +1 from me!
Thank you very much for all your contributions! Really really appreciate it!

/lgtm
@sbueringer I will merge this EOW / beginning next week

[mboersma]

+1 thank you for stepping up and for everything you do @sivchari!

[chrischdi]

Thanks for stepping up @sivchari , really appreciate all the work ❤️

+1

/lgtm

[fabriziopandini]

/hold cancel
Yay! 🥳