add changelog entry for fixing z velocity for line features.

Author: MFraters

CHANGELOG.md

@@ -31,6 +31,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ### Fixed
 - Fixed index for 2D compositional fields in gwb-grid. \[Derek Neuharth; 2025-01-21; [#788](https://github.com/GeodynamicWorldBuilder/WorldBuilder/pull/788)\]
 - Fixed the tag and velocity outputs while using --by-tag --filtered options in gwb-grid. \[Arushi Saxena; 2025-01-21; [#802](https://github.com/GeodynamicWorldBuilder/WorldBuilder/pull/802)\]
+- Fixed the 3D z velocity of the subducting plate and fault models, which was the velocity of x + 2. \[Menno Fraters; 2025-08-27; [#851](https://github.com/GeodynamicWorldBuilder/WorldBuilder/pull/851)\]
+
 
 ## [1.0.0]
 ### Added