Update mockito-core from 3.5.9 to 3.5.10 #152.

Author: Gary Gregory

src/changes/changes.xml

@@ -53,6 +53,9 @@ The <action> type attribute can be add,update,fix,remove.
       <action dev="ggregory" type="update" due-to="Dependabot">
         Update junit-jupiter from 5.6.2 to 5.7.0 #153.
       </action>
+      <action dev="ggregory" type="update" due-to="Dependabot">
+        Update mockito-core from 3.5.9 to 3.5.10 #152.
+      </action>
     </release>
     <!-- The release date is the date RC is cut -->
     <release version="2.8.0" date="2020-09-05" description="Java 8 required.">