Update to GeoTools 28.6.1

This is a patch release of GeoTools, no API changes required for GeoNetwork.

Author: jodygarnett

pom.xml

@@ -1618,7 +1618,7 @@
 
     <!-- NOTE: When updating GeoTools, check which version
     of Postgres is used and update pg.version if needed. -->
-    <geotools.version>28.6</geotools.version>
+    <geotools.version>28.6.1</geotools.version>
     <jts.version>1.19.0</jts.version>
     <pg.version>42.3.10</pg.version>