Bump spotbugs from 4.3.0 to 4.4.0 #259.

Author: Gary Gregory

src/changes/changes.xml

@@ -134,7 +134,7 @@ The <action> type attribute can be add,update,fix,remove.
         Bump Maven Javadoc plugin from 3.2.0 to 3.3.0.
       </action>
       <action dev="ggregory" type="update" due-to="Dependabot">
-        Bump spotbugs-maven-plugin from 4.2.3 to 4.3.0 #250.
+        Bump spotbugs-maven-plugin from 4.2.3 to 4.4.0 #250, #259.
       </action>
       <action dev="ggregory" type="update" due-to="Gary Gregory">
         Bump JUnit from 5.7.2 to 5.8.0-M1.