sig-cluster-lifecycle: add annual report for 2023

[neolit123]

Which issue(s) this PR fixes:

Fixes https://github.com/kubernetes/community/issues/7769

[neolit123]

/hold for review

[justinsb]

Thanks for doing this @neolit123 ; lgtm!

[neolit123]

removed DRAFT state from PR description. let's see if anything else can be added according to reviews, but we already have two LGTMs from leads above.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: neolit123, palnabarun, vincepri

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• ~~sig-cluster-lifecycle/OWNERS~~ [neolit123,palnabarun,vincepri]

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[neolit123]

@palnabarun drop hold on your own leisure, please. SIG leads already LGTMed, previously.

[palnabarun]

/hold cancel