Update the 5.2 migration guide.

ADmad · ADmad · commit 24ed5348379f · 2025-02-17T21:32:38.000+05:30
Refs cakephp/cakephp#18189
diff --git a/en/appendices/5-2-migration-guide.rst b/en/appendices/5-2-migration-guide.rst
@@ -27,6 +27,11 @@ Console
 - ``Arguments::getMultipleOption()`` is deprecated. Use ``getArrayOption()``
   instead.
 
+Datasource
+----------
+
+- The ability to cast an ``EntityInterface`` instance to string has been deprecated.
+  You should ``json_encode()`` the entity instead.
 
 View
 ----
