Bump org.apache.rat:apache-rat-plugin from 0.15 to 0.16.1

Bumps org.apache.rat:apache-rat-plugin from 0.15 to 0.16.1.

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 18fac53..1fcc49c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -77,7 +77,7 @@
             <plugin>
                 <groupId>org.apache.rat</groupId>
                 <artifactId>apache-rat-plugin</artifactId>
-                <version>0.15</version>
+                <version>0.16.1</version>
                 <configuration>
                     <excludes>
                         <exclude>src/main/resources/archetype-resources/**</exclude>