Merge pull request #1453 from SpiNNakerManchester/dependabot/maven/org.apache.rat-apache-rat-plugin-0.18

Bump org.apache.rat:apache-rat-plugin from 0.17 to 0.18

Author: rowleya

pom.xml

@@ -661,7 +661,7 @@ limitations under the License.
 				<plugin>
 					<groupId>org.apache.rat</groupId>
 					<artifactId>apache-rat-plugin</artifactId>
-					<version>0.17</version>
+					<version>0.18</version>
 					<configuration>
 						<excludes>
 							<!-- Files without comment formats should be excluded -->