Add link to original issue

Co-authored-by: tetrapod <[email protected]>

tutorials/plugins/running_code_in_the_editor.rst

@@ -152,7 +152,8 @@ Save the script and return to the editor. You should now see your object rotate.
 If you run the game, it will also rotate.
 
 .. warning::
-    You may need to restart the editor. This is a known bug found in all Godot 4 versions.
+    You may need to restart the editor. This is a known bug found in all Godot 4 versions:
+    `GH-66381 <https://github.com/godotengine/godot/issues/66381>`_.
 
 .. image:: img/rotating_in_editor.gif