set release date

Author: svigerske

ChangeLog.md

@@ -7,7 +7,7 @@ More detailed information about incremental changes can be found in the
 
 ## 3.14
 
-### 3.14.14 (202x-yy-zz)
+### 3.14.14 (2024-01-18)
 
 - Fixed build of MA57 interface when `FUNNY_MA57_FINT` is defined (MA57 with long integers).
 - Fixed that initial dual values for fixed variables (z_L, z_U) were ignored when doing a