Fixed #27378 -- Added support for serialization of uuid.UUID in migrations.

Thanks Yuriy Korobko for the initial patch and Tobias McNulty for review.

docs/topics/migrations.txt

@@ -670,6 +670,7 @@ Django can serialize the following:
   (include those that are timezone-aware)
 - ``decimal.Decimal`` instances
 - ``enum.Enum`` instances
+- ``uuid.UUID`` instances
 - ``functools.partial`` instances which have serializable ``func``, ``args``,
   and ``keywords`` values.
 - ``LazyObject`` instances which wrap a serializable value.
@@ -682,6 +683,10 @@ Django can serialize the following:
 
     Serialization support for ``enum.Enum`` was added.
 
+.. versionchanged:: 1.11
+
+    Serialization support for ``uuid.UUID`` was added.
+
 Django can serialize the following on Python 3 only:
 
 - Unbound methods used from within the class body (see below)