Update to 4.6.16 (#2594)

* mkdocs.yml: `latest_tag_4_6: '4.6.16'`
* update_from_4.6.md v4.6.16 No additional steps needed.

Author: adriendupuis

docs/update_and_migration/from_4.6/update_from_4.6.md

@@ -245,3 +245,7 @@ composer require symfony/serializer-pack symfony/orm-pack
 ```
 
 Then, verify that Symfony Flex installed the versions you were using before.
+
+## v4.6.16
+
+No additional steps needed.

mkdocs.yml

@@ -934,7 +934,7 @@ extra:
   latest_tag_4_3: '4.3.5'
   latest_tag_4_4: '4.4.4'
   latest_tag_4_5: '4.5.7'
-  latest_tag_4_6: '4.6.15'
+  latest_tag_4_6: '4.6.16'
 
   symfony_doc: 'https://symfony.com/doc/5.4'
   user_doc: 'https://doc.ibexa.co/projects/userguide/en/master'