Add SIG CLI Annual Report 2023

[ardaguclu]

Which issue(s) this PR fixes: Fixes #7767

[ardaguclu]

/cc @eddiezane @mpuckett159

[ardaguclu]

/assign @pacoxu

[MadhavJivrajani]

/hold just to prevent accidental merge

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ardaguclu, eddiezane, mpuckett159, pacoxu, soltysh

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• ~~sig-cli/OWNERS~~ [ardaguclu,eddiezane,mpuckett159,pacoxu,soltysh]

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[pacoxu]

Feel free to unhold as all sig TL and chairs LGTMed.

[ardaguclu]

/hold cancel