Bump checkstyle from 8.41 to 8.42 #225.

Author: Gary Gregory

src/changes/changes.xml

@@ -243,7 +243,7 @@ The <action> type attribute can be add,update,fix,remove.
         Tiny performance improvement in FileUtils#moveDirectoryToDirectory() #174.
       </action>
       <action dev="ggregory" type="update" due-to="Dependabot">
-        Bump checkstyle from 8.38 to 8.41 #689, #209.
+        Bump checkstyle from 8.38 to 8.42 #689, #209, #225.
       </action>
       <action dev="ggregory" type="update" due-to="Dependabot">
         Bump maven-checkstyle-plugin from 3.1.1 to 3.1.2 #198.