Upgrade license-maven-plugin 2.2.0 -> 2.3.0 (#859)

See:
- https://github.com/mojohaus/license-maven-plugin/releases/tag/2.3.0
- mojohaus/license-maven-plugin@2.2.0...2.3.0

pom.xml

@@ -1192,7 +1192,7 @@
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>license-maven-plugin</artifactId>
-                    <version>2.2.0</version>
+                    <version>2.3.0</version>
                     <configuration>
                         <includedLicenses>
                             <!-- The SPDX IDs of licenses of third-party