Bump spotbugs from 4.1.3 to 4.1.4 #164.

Author: Gary Gregory

src/changes/changes.xml

@@ -87,7 +87,7 @@ The <action> type attribute can be add,update,fix,remove.
         Update commons.jacoco.version 0.8.5 to 0.8.6 (Fixes Java 15 builds).
       </action>
       <action dev="ggregory" type="update" due-to="Dependabot">
-        Update spotbugs from 4.1.2 to 4.1.3 #158.
+        Update spotbugs from 4.1.2 to 4.1.4 #158, #164.
       </action>
       <action dev="ggregory" type="update" due-to="Dependabot">
         Bump spotbugs-maven-plugin from 4.0.4 to 4.1.3 #161.