fix(deps): update dependency eu.esdihumboldt.hale:eu.esdihumboldt.uti…

…l.config to v6

build.gradle

@@ -10,7 +10,7 @@ buildscript {
     classpath 'to.wetransform.hale:gradle-hale-plugin:1.2.0-SNAPSHOT'
 
     // for Config class
-    classpath 'eu.esdihumboldt.hale:eu.esdihumboldt.util.config:5.3.0'
+    classpath 'eu.esdihumboldt.hale:eu.esdihumboldt.util.config:6.1.0'
   }
 }