feat(helm)!: Update chart nextcloud to 5.0.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
nextcloud (source)	major	4.6.11 -> 5.0.0

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Release Notes

nextcloud/helm (nextcloud)

### [`v5.0.0`](https://togithub.com/nextcloud/helm/releases/tag/nextcloud-5.0.0) [Compare Source](https://togithub.com/nextcloud/helm/compare/nextcloud-4.6.11...nextcloud-5.0.0) A file sharing server that puts the control and security of your own data back into your hands. #### What's Changed - Update Postgresql, MariaDB, and Redis subcharts to the latest (⚠️ Major updates) by [@​jessebot](https://togithub.com/jessebot) in [https://github.com/nextcloud/helm/pull/580](https://togithub.com/nextcloud/helm/pull/580) **Full Changelog**: https://github.com/nextcloud/helm/compare/nextcloud-4.6.11...nextcloud-5.0.0

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