Update dependency org.apache.maven.plugins:maven-checkstyle-plugin to v3.3.1

Author: renovate[bot]

pom.xml

@@ -85,7 +85,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-checkstyle-plugin</artifactId>
-				<version>3.1.2</version>
+				<version>3.3.1</version>
 				<configuration>
 					<configLocation>checkstyle.xml</configLocation>
 				</configuration>
@@ -184,7 +184,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-checkstyle-plugin</artifactId>
-				<version>3.1.2</version>
+				<version>3.3.1</version>
 				<configuration>
 					<configLocation>checkstyle.xml</configLocation>
 				</configuration>