fix OrderedCollections compat

Author: pfitzseb

Project.toml

@@ -47,7 +47,7 @@ LNR = "^0.2.0"
 Lazy = "^0.13.2, ^0.14"
 MacroTools = "^0.5"
 Media = "^0.5"
-OrderedCollections = "^0.15, ^0.16, ^0.17"
+OrderedCollections = "^1.1"
 Requires = "^0.5"
 Traceur = "^0.3"
 TreeViews = "^0.3.0"