chore: change to latest buildx image

[lechnerc77]

Purpose

• Update version of buildx image.

Does the PR solve an issue

[ ] Yes - Please add issue number
[X] No

Does this introduce a breaking change?

[ ] Yes
[X] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[X] Other... Please describe: Dependency

How to Test

Check Docker Builds

What to Check

Verify that the following are valid

• Docker builds succeed

Other Information

n/a