Bump apache-rat-plugin from 0.12 to 0.13

Bumps apache-rat-plugin from 0.12 to 0.13.

---
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 c9254af..568579c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -189,7 +189,7 @@
             <plugin>
                 <groupId>org.apache.rat</groupId>
                 <artifactId>apache-rat-plugin</artifactId>
-                <version>0.12</version>
+                <version>0.13</version>
             </plugin>
         </plugins>
     </reporting>