plugin update

Author: rbri

pom.xml

@@ -87,7 +87,7 @@
             <plugin>
                 <groupId>com.github.spotbugs</groupId>
                 <artifactId>spotbugs-maven-plugin</artifactId>
-                <version>4.8.6.6</version>
+                <version>4.9.1.0</version>
                 <dependencies>
                     <dependency>
                         <groupId>com.github.spotbugs</groupId>