Bump spotbugs from 4.4.1 to 4.4.2 apache#70.

Author: garydgregory

src/changes/changes.xml

@@ -106,6 +106,9 @@
      <action type="update" dev="ggregory" due-to="Gary Gregory">
        Bump biz.aQute.bndlib.version 5.1.2 -> 5.3.0.
      </action>
+     <action type="update" dev="ggregory" due-to="Dependabot">
+       Bump spotbugs from 4.4.1 to 4.4.2 #70.
+     </action>
     </release>
 
     <release version="1.4" date="2017-03-09" description="New features and bug fixes">