add missing changelog entry for v1.16

Author: j-fu

CHANGELOG.md

@@ -5,6 +5,9 @@
   This enables the user to interpolate values between grids which do not share the same domain. The value _outside_ the target domain has to be provided by the user.
 - Allow to read simplexgrid data from TetGen .ele file sets
 
+## [1.16.0] - 2026-01-21
+- Allow to read/write WIAS-TeSCA dom files
+
 ## [1.15.0] - 2026-01-14
  - add and export `explode` function that produces a grid with all adjacencies removed