[groovyscripting] Fix build warnings (#9460)

[groovyscripting] Fix build warnings (#9460)

Fixes these warnings:

[WARNING] /openhab-addons/bundles/org.openhab.automation.groovyscripting/pom.xml [10:52]: Invalid property key: `groovy.runtime.metaclass;resolution`: <<      groovy.runtime.metaclass;resolution:=optional,>>
[WARNING] /openhab-addons/bundles/org.openhab.automation.groovyscripting/pom.xml [11:61]: Invalid property key: `groovyjarjarantlr4.stringtemplate;resolution`: <<      groovyjarjarantlr4.stringtemplate;resolution:=optional,>>
[WARNING] /openhab-addons/bundles/org.openhab.automation.groovyscripting/pom.xml [12:50]: Invalid property key: `org.abego.treelayout.*;resolution`: <<      org.abego.treelayout.*;resolution:=optional,>>
[WARNING] /openhab-addons/bundles/org.openhab.automation.groovyscripting/pom.xml [13:44]: Invalid property key: `org.apache.ivy.*;resolution`: <<      org.apache.ivy.*;resolution:=optional,>>
[WARNING] /openhab-addons/bundles/org.openhab.automation.groovyscripting/pom.xml [14:53]: Invalid property key: `org.stringtemplate.v4.*;resolution`: <<      org.stringtemplate.v4.*;resolution:=optional,\\>>

Signed-off-by: Wouter Born <github@maindrain.net>