Update docker.io/library/ubuntu Docker tag to v26

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/library/ubuntu	stage	major	noble → resolute

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[renovate]

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update. You will not get PRs for any future 26.x releases. But if you manually upgrade to 26.x then Renovate will re-enable minor and patch updates automatically.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.