Merge #1855

1855: Change `authentication` error type to be  `auth` r=curquiza a=gmourier



Co-authored-by: many <maxime@meilisearch.com>

meilisearch-error/src/lib.rs

@@ -41,7 +41,7 @@ impl fmt::Display for ErrorType {
         match self {
             InternalError => write!(f, "internal"),
             InvalidRequestError => write!(f, "invalid_request"),
-            AuthenticationError => write!(f, "authentication"),
+            AuthenticationError => write!(f, "auth"),
         }
     }
 }