Fix VTK export

[termi-official]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.29%. Comparing base (17919d5) to head (d92fbc2).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #37      +/-   ##
==========================================
+ Coverage   88.60%   89.29%   +0.68%     
==========================================
  Files           5        5              
  Lines         316      327      +11     
==========================================
+ Hits          280      292      +12     
+ Misses         36       35       -1     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[DRollin]

I just saw that you also fixed a few other things than just the VTK issue.
Over the next few days, I want to spend some time on resolving general issues.
Do you think this PR is ready to be merged or can I do something to finish things up?
(I would like to fin ish this before starting other things)

[termi-official]

I just saw that you also fixed a few other things than just the VTK issue.

Yes, I also updated the CI to the new versions. Other than that the PR only fixes the VTK export machinery. The PR is now ready from my side and targets current master again.