build(deps): bump vtk from 9.4.0 to 9.4.1 in /requirements #1031

Job	Run time
Build documentation	3m 40s
Build and Test (3.9, ubuntu-latest)	3m 2s
Build and Test (3.9, windows-latest)	3m 58s
Build wheels on MacOS	0s
Build and Test (3.10, ubuntu-latest)	3m 6s
Build and Test (3.10, windows-latest)	3m 11s
Build and Test (3.11, ubuntu-latest)	3m 8s
Build and Test (3.11, windows-latest)	3m 17s
Build and Test (3.12, ubuntu-latest)	3m 54s
Build and Test (3.12, windows-latest)	3m 45s
Upload development documentation	0s
Release	0s
Upload release documentation	0s
	31m 1s

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