chore(deps): update docker.io/owncloud/ubuntu docker tag to v24

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/owncloud/ubuntu (source)	final	major	22.04 → 24.04

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[phil-davis]

We have a bit different set of images here currently. Some are purposely locked to older LTS versions of Ubuntu.
So we don't want to update the underlying Ubuntu in all of the images that this "renovate" PR touches.
Setting to draft for now.