add support for place=square

Squares are now addressable (on address level 25) and thus can
be attached to a house number via addr:place. Needed to increase
the rank range for matching up addr:place to 25.

sql/partition-functions.src.sql

@@ -160,7 +160,7 @@ BEGIN
       FROM search_name_-partition-
       WHERE name_vector && isin_token
             AND centroid && ST_Expand(point, 0.04)
-            AND search_rank between 16 and 22
+            AND search_rank between 16 and 25
       ORDER BY ST_Distance(centroid, point) ASC limit 1;
     RETURN parent;
   END IF;