fix: fix wrong http status on pg error 42P17 infinite recursion

src/PostgREST/Error.hs

@@ -489,6 +489,7 @@ pgErrorStatus authed (SQL.SessionUsageError (SQL.QueryError _ _ (SQL.ResultError
           then HTTP.status406
           else HTTP.status404 -- undefined function
         "42P01"   -> HTTP.status404 -- undefined table
+        "42P17"   -> HTTP.status500 -- infinite recursion
         "42501"   -> if authed then HTTP.status403 else HTTP.status401 -- insufficient privilege
         'P':'T':n -> fromMaybe HTTP.status500 (HTTP.mkStatus <$> readMaybe n <*> pure m)
         "PGRST"   ->