Added support for attachment date and author formatting

src/main/resources/GitLab/Code/GitLabGroovy.xml

 <?xml version="1.0" encoding="UTF-8"?>
+
 <!--
  * See the NOTICE file distributed with this work for additional
  * information regarding copyright ownership.
@@ -302,6 +303,19 @@ public class GitLabGroovy {
           clonedDoc.setVersion("1.1");
         }
 
+        // Update attachment dates
+        for (xa in clonedDoc.getAttachmentList()) {
+            debug("Checking attachment " + xa.getFilename())
+            if (defaultDate &amp;&amp; defaultDate!="") {
+               xa.setDate(defaultDate)
+            }
+            if (withFormat) {
+               xa.setAuthor(DEFAULTAUTHOR);
+            } else if (defaultUser &amp;&amp; defaultUser!="") {
+               xa.setAuthor(defaultUser);
+            }
+        }
+
         clonedDoc.setComment("");
         clonedDoc.setMinorEdit(false);
         def c = clonedDoc.toXML(true, false, true, false, context.getContext())