fix(cd) disable uv cache

[cgoetz-inovex]

prior run error'd with:

No cache found at: /home/runner/work/_temp/setup-uv-cache
Error: Cache path /home/runner/work/_temp/setup-uv-cache does not exist
on disk. This likely indicates that there are no dependencies to cache.
Consider disabling the cache input if it is not needed.

so we are disabling the cache

Description

relates to #1234

Checklist

• Issue was linked above
• No generated code was adjusted manually (check comments in file header)
• Changelogs and versioning
  • Changelog in root directory was adjusted (see here)
  • Changelog of the service(s) was adjusted (see e.g. here)
  • pyproject.toml of the service(s) was adjusted (see e.g. here)
• Examples were added / adjusted (see examples/ directory)
• Unit tests got implemented or updated
• Unit tests are passing: make test (will be checked by CI)
• No linter issues: make lint (will be checked by CI)