Update elegant version for Fedora 28

roles/elegant/vars/main.yml

@@ -3,14 +3,17 @@ ele_version:
   25: 34.0.0-1
   26: 34.0.0-1
   27: 34.2.0-1
+  28: 34.2.0-1
 sddstk_version:
   25: 3.5-1
   26: 3.5.1-1
   27: 3.5.1-1
+  28: 3.6.1-1
 oagtcltk_version:
   25: 1.24-1
   26: 1.24-1
   27: 1.24-1
+  28: 1.25-1
 defns_path: /usr/local/share/defns.rpn
 
 prePelegant: