fix(deps): Upgrade pelias-model to 7.2.1

This should help fix some scoring issues identified in
#511

While not a complete fix, it should mitigate the effects of
pelias/openstreetmap#507 somewhat.

package.json

@@ -37,7 +37,7 @@
     "pelias-config": "^4.10.0",
     "pelias-dbclient": "^2.13.0",
     "pelias-logger": "^1.2.1",
-    "pelias-model": "^7.1.0",
+    "pelias-model": "^7.2.1",
     "through2": "^3.0.0",
     "through2-filter": "^3.0.0",
     "through2-map": "^3.0.0",