Bump Maven Groovy Plugin to 2.1.1

To avoid error on Java 18, it fails because of the usage of the SecurityManager (deprecated).

Author: acogoluegnes

pom.xml

@@ -70,7 +70,7 @@
  <versions.maven.plugin.version>2.3</versions.maven.plugin.version>
  <maven.resources.plugin.version>3.1.0</maven.resources.plugin.version>
  <maven.source.plugin.version>3.0.1</maven.source.plugin.version>
- <groovy.maven.plugin.version>2.0</groovy.maven.plugin.version>
+ <groovy.maven.plugin.version>2.1.1</groovy.maven.plugin.version>
  <groovy.all.version>2.4.8</groovy.all.version>
  <keytool.maven.plugin.version>1.5</keytool.maven.plugin.version>
  <build.helper.maven-plugin.version>1.12</build.helper.maven-plugin.version>