[Bug]: CI broken due to flaky kroki.io server

[stevenj]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

We are getting 5xx errors on some files when trying to build docs with images rendered using the kroki.io service.

Expected Behavior

Docs don't fail because of kroki.io

Project

Documentation

What operating system are you seeing the problem on?

Other

What browsers are you seeing the problem on?

Not Applicable

Relevant log output

No response

Anything else?

No response

Code of Conduct

• I agree to follow this project's Code of Conduct