Database update

Author: sokil

README.md

@@ -13,7 +13,7 @@ To get this database only without localized values, see [sokil/php-isocodes-db-o
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-:1234: Database version: v4.13.0-36-ga8874ad1 from 2023-04-02 04:01
+:1234: Database version: v4.15.0 from 2023-05-02 04:01
 
 Database updated at 2-nd day of every month.