Add UnicodeRange to sandbox (#4894)

* Add GetEncoding to sandbox (#4892)
Need this struct allowlisted to for nice unicode sanitization.

* Add UnicodeRanges too

* Changelog

---------

Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

RELEASE-NOTES.md

@@ -56,6 +56,7 @@ END TEMPLATE-->
 * Add dotted line drawing to DrawingHandleScreen.
 * You can use `Subs.CVar()` from an entity systems to subscribe to CVar changes. This is more convenient than `IConfigurationManager.OnValueChanged` as it automatically unsubscribes on system shutdown.
 * There is now a built-in type serializer for `DateTime`, so you can put `DateTime`s in your data fields.
+* `System.Text.Unicode.UnicodeRange` and `UnicodeRanges` are now available in the sandbox.
 
 ### Bugfixes
 

Robust.Shared/ContentPack/Sandbox.yml

@@ -720,6 +720,9 @@ Types:
         ChunkEnumerator: { All: True }
         AppendInterpolatedStringHandler: { All: True }
     StringRuneEnumerator: { All: True }
+  System.Text.Unicode:
+    UnicodeRange: { All: True }
+    UnicodeRanges: { All: True }
   System.Threading.Tasks:
     Task: { All: True }
     Task`1: { All: True }