Merge pull request #260 from dschadow/dependabot/maven/com.github.spotbugs-spotbugs-maven-plugin-4.9.1.0

Author: dschadow

pom.xml

@@ -143,7 +143,7 @@
             <plugin>
                 <groupId>com.github.spotbugs</groupId>
                 <artifactId>spotbugs-maven-plugin</artifactId>
-                <version>4.8.6.6</version>
+                <version>4.9.1.0</version>
                 <configuration>
                     <effort>Max</effort>
                     <threshold>Low</threshold>