Update checkstyle plugin version

Author: johnwalker

pom.xml

@@ -38,7 +38,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <sqlite4java.version>1.0.392</sqlite4java.version>
-    <checkstyle.version>8.17</checkstyle.version>
+    <checkstyle.version>8.18</checkstyle.version>
     <maven-checkstyle-plugin.version>3.0.0</maven-checkstyle-plugin.version>
     <ddej-build-tools.version>0.1.0</ddej-build-tools.version>
     <jacoco-maven-plugin.version>0.8.3</jacoco-maven-plugin.version>