## Summary
Semi related to https://github.com/astral-sh/uv/issues/15270, except
there's no removal.
Makes Alpine 3.22 and debian trixie the default tags instead of removing
bookworm and alpine 3.21 to minimize churn.
~~This PR is pending https://github.com/astral-sh/uv/pull/15351 merged
first.~~ Merged
## Test Plan
No functional changes made besides changing tag pointers.