bump materials to new set provided by Marston
upstream is:
https://gitlab.kitware.com/paraview/materials/
-/commit/a4af02927b6e67b9b04c2157649c6323a1149eec
System updates will be applied on Nov 25th between 7am and 9am, EST (UTC-05:00). This site will have intermittent downtime during that time.
upstream is:
https://gitlab.kitware.com/paraview/materials/
-/commit/a4af02927b6e67b9b04c2157649c6323a1149eec