Merge pull request #656 from pac4j/renovate/com.github.spotbugs-spotbugs-maven-plugin-4.x

Update dependency com.github.spotbugs:spotbugs-maven-plugin to v4.9.8.1

Author: renovate[bot]

pom.xml

@@ -183,7 +183,7 @@
       <plugin>
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
-        <version>4.9.8.0</version>
+        <version>4.9.8.1</version>
         <configuration>
           <effort>Low</effort>
           <threshold>Max</threshold>