Bump org.apache.rat:apache-rat-plugin from 0.17 to 0.18

Bumps org.apache.rat:apache-rat-plugin from 0.17 to 0.18.

---
updated-dependencies:
- dependency-name: org.apache.rat:apache-rat-plugin
  dependency-version: '0.18'
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -125,7 +125,7 @@
     <ver.jts>1.20.0</ver.jts>
 
     <!-- Plugins -->
-    <ver.plugin.rat>0.17</ver.plugin.rat>
+    <ver.plugin.rat>0.18</ver.plugin.rat>
     <ver.plugin.assembly>3.8.0</ver.plugin.assembly>
     <ver.plugin.compiler>3.15.0</ver.plugin.compiler>
     <ver.plugin.surefire>3.5.5</ver.plugin.surefire>