Update CHANGELOG with bugfix for GEOS issue

Author: molinav

CHANGELOG.md

@@ -15,6 +15,8 @@ https://semver.org/spec/v2.0.0.html
 ### Fixed
 - Fix broken array slicing inside `addcyclic` (PR [#559], solves issue
   [#555], thanks to @fragkoul).
+- Fix wrong Antarctica coastline boundary with GEOS >= 3.9.0 (PR [#560],
+  solves issue [#522]).
 
 ## [1.3.4] - 2022-08-10
 
@@ -930,6 +932,8 @@ https://semver.org/spec/v2.0.0.html
 - Fix glitches in drawing of parallels and meridians.
 
 
+[#560]:
+https://github.com/matplotlib/basemap/pull/560
 [#559]:
 https://github.com/matplotlib/basemap/pull/559
 [#555]:
@@ -966,6 +970,8 @@ https://github.com/matplotlib/basemap/issues/527
 https://github.com/matplotlib/basemap/issues/526
 [#525]:
 https://github.com/matplotlib/basemap/issues/525
+[#522]:
+https://github.com/matplotlib/basemap/issues/522
 [#521]:
 https://github.com/matplotlib/basemap/issues/521
 [#518]: