Add a changlog entry for PR #3869

Author: seisman

doc/changes.md

@@ -17,6 +17,7 @@
 * **BREAKING** pygmt.grdcut: Refactor to store output in virtualfiles for grids ([#3115](https://github.com/GenericMappingTools/pygmt/pull/3115))
 * GMTDataArrayAccessor: Support passing values using enums GridRegistration and GridType for grid registration and type ([#3696](https://github.com/GenericMappingTools/pygmt/pull/3696))
 * pygmt.grdfill: Add new parameters 'constantfill/gridfill/neighborfill/splinefill' to fill the holes ([#3855](https://github.com/GenericMappingTools/pygmt/pull/3855))
+* pygmt.grdfill: Add alias 'coltypes' (-f) ([#3869](https://github.com/GenericMappingTools/pygmt/pull/3869))
 
 ### Deprecations