Upgrade pomchecker-maven-plugin 1.11.0 -> 1.13.0 (#1319)

See:
- https://github.com/kordamp/pomchecker/releases/tag/v1.12.0
- https://github.com/kordamp/pomchecker/releases/tag/v1.13.0
- kordamp/pomchecker@v1.11.0...v1.13.0

pom.xml

@@ -1474,7 +1474,7 @@
                 <plugin>
                     <groupId>org.kordamp.maven</groupId>
                     <artifactId>pomchecker-maven-plugin</artifactId>
-                    <version>1.11.0</version>
+                    <version>1.13.0</version>
                     <configuration>
                         <failOnError>false</failOnError>
                         <release>false</release>