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

Author: renovate[bot]

pom.xml

@@ -90,7 +90,7 @@ SOFTWARE.
     <jtcop.version>0.1.18</jtcop.version>
     <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
     <checkstyle.version>8.15</checkstyle.version>
-    <maven-checkstyle-plugin.version>3.3.0</maven-checkstyle-plugin.version>
+    <maven-checkstyle-plugin.version>3.3.1</maven-checkstyle-plugin.version>
     <sa-tan.version>0.1.5</sa-tan.version>
     <maven-invoker-plugin.version>3.6.0</maven-invoker-plugin.version>
     <maven-source-plugin.version>3.3.0</maven-source-plugin.version>