Update SIG Release teams

[justaugustus]

• releng(promo-tools): Update maintainer/admin team names - Rename repo and default branch kubernetes-sigs/promo-tools#424
• sig-release: Alpha-sort teams
• sig-release: Add mdtoc-maintainers team
• sig-release: Add additional 1.23 Release Team shadows to teams - 675c62a
• sig-release: Promote Verónica López to Release Manager - https://groups.google.com/a/kubernetes.io/g/release-managers/c/zSiEg0dUQRE

/assign @cpanato @puerco @jeremyrickard @Verolop
cc: @kubernetes/release-engineering

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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• config/kubernetes-sigs/sig-release/OWNERS [justaugustus]
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[puerco]

/lgtm