FO.yaml in countries-3.1.0

- old
+ new

@@ -18,9 +18,10 @@
   subregion: Northern Europe
   world_region: EMEA
   un_locode: FO
   nationality: Faroese
   postal_code: true
+  postal_code_format: "\\d{3}"
   unofficial_names:
   - Faroe Islands
   - Färöer-Inseln
   - Îles Féroé
   - Islas Faroe