Document recent changes.

Author: garydgregory

src/changes/changes.xml

@@ -62,7 +62,7 @@
       <action                 type="update" dev="ggregory" due-to="Dependabot">Update junit-jupiter from 5.6.1 to 5.6.2 #84.</action>
       <action                 type="update" dev="ggregory" due-to="Gary Gregory">Update maven-checkstyle-plugin from 3.0.0 to 3.1.1.</action>
       <action                 type="update" dev="ggregory" due-to="Dependabot">Update tests from opencsv from 3.1 to 5.2 #81.</action>
-      <action                 type="update" dev="ggregory" due-to="Gary Gregory">Update tests from org.mockito:mockito-core 3.2.4 -> 3.3.4.</action>
+      <action                 type="update" dev="ggregory" due-to="Gary Gregory, Dependabot">Update tests from org.mockito:mockito-core 3.2.4 -> 3.4.6; #88.</action>
       <action                 type="update" dev="ggregory" due-to="Gary Gregory">Update tests from super-csv from 2.2.1 to 2.4.0 #86.</action>
     </release>
     <release version="1.8" date="2020-02-01" description="Feature and bug fix release (Java 8).