Latest tag update (#2399)

Author: julitafalcondusza

mkdocs.yml

@@ -403,7 +403,7 @@ 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: '4.6.6'
+  latest_tag_4_6: '4.6.7'
 
   symfony_doc: 'http://symfony.com/doc/3.4'
   user_doc: 'https://doc.ibexa.co/projects/userguide/en/3.3'