Link to Symfony 7.3 doc (#2839)

Author: adriendupuis

mkdocs.yml

@@ -961,7 +961,7 @@ extra:
   latest_tag_4_6: '4.6.21'
   latest_tag_5_0: '5.0.0'
 
-  symfony_doc: 'https://symfony.com/doc/7.2'
+  symfony_doc: 'https://symfony.com/doc/7.3'
   user_doc: 'https://doc.ibexa.co/projects/userguide/en/5.0'
   connect_doc: 'https://doc.ibexa.co/projects/connect/en/latest'