Merge tag '129.0.0-beta.4' into feature/merge-129.0.0-beta.4-tag

MetalK8s 129.0.0-beta.4
===

MetalK8s 129.0.0-beta.4 embeds Kubernetes 1.29.8.

Useful links
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- [Documentation](https://metal-k8s.readthedocs.io/en/129.0.0-beta.4)
- [Upgrade notes](https://metal-k8s.readthedocs.io/en/129.0.0-beta.4/operation/upgrade.html)
- [Changelog](https://github.com/scality/metalk8s/blob/129.0.0-beta.4/CHANGELOG.md)

Author: JBWatenbergScality