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

@@ -635,7 +635,7 @@
         <plugin>
           <groupId>org.apache.rat</groupId>
           <artifactId>apache-rat-plugin</artifactId>
-          <version>0.17</version>
+          <version>0.18</version>
           <configuration>
             <inputExcludeStd>ECLIPSE</inputExcludeStd>
             <inputExcludeStd>IDEA</inputExcludeStd>