Merge pull request #1285 from ocaisa/vtk_2025a

{2025.06}[2024a] VTK 9.3.1

Author: bedroge

easystacks/software.eessi.io/2025.06/eessi-2025.06-eb-5.1.2-2024a.yml

@@ -61,3 +61,4 @@ easyconfigs:
   - ParaView-5.13.2-foss-2024a.eb
   - matplotlib-3.9.2-gfbf-2024a.eb
   - tensorboard-2.18.0-gfbf-2024a.eb
+  - VTK-9.3.1-foss-2024a.eb