Update CHANGELOG.md with geometry function updates

CHANGELOG.md

+### v0.2.5 ###
+**Utilities - Geometries**\
+\* Combine translation offsets to a single vector input argument for the `rcvGeo()` MATLAB function.\
+\* Combine translation offsets to a single vector input argument for th `virtMicGeo()` MATLAB function.\
+
+
 ### v0.2.4 ###
 **Virtual Sensing**\
 \* Corrected time-domain observation filter calculations.\