build(deps): update dependency org.apache.maven.plugins:maven-antrun-plugin to v1.8

Author: renovate-bot

pom.xml

@@ -637,7 +637,7 @@
  <plugin>
  <!-- Clean up some references and files. -->
  <artifactId>maven-antrun-plugin</artifactId>
- <version>1.7</version>
+ <version>1.8</version>
  <executions>
  <execution>
  <phase>site</phase>