Update dependency com.github.spotbugs:spotbugs-maven-plugin to v4.8.6.6

Author: renovate[bot]

pom.xml

@@ -231,7 +231,7 @@
 			<plugin>
 				<groupId>com.github.spotbugs</groupId>
 				<artifactId>spotbugs-maven-plugin</artifactId>
-				<version>4.8.6.5</version>
+				<version>4.8.6.6</version>
 				<configuration>
 					<includeTests>true</includeTests>
 					<failOnError>false</failOnError>