Fixes after deprecation in VTK

[mwestphal]

Describe your changes

Issue ticket number and link if any

Checklist for finalizing the PR

• I have performed a self-review of my code
• I have added tests for new features and bugfixes
• I have added documentation for new features
• If it is a modifying the libf3d API, I have updated bindings
• If it is a modifying the .github/workflows/versions.json, I have updated docker_timestamp

Continuous integration

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[mwestphal]

\ci main

[github-actions]

New docker images have been generated

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.12%. Comparing base (c381551) to head (8ae4535).
⚠️ Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2946   +/-   ##
=======================================
  Coverage   97.12%   97.12%           
=======================================
  Files         206      206           
  Lines       16396    16396           
=======================================
  Hits        15924    15924           
  Misses        472      472           

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[mwestphal]

\ci full