Update Bulgaria currency: from BGN to EUR since 01/01/2026

Author: julien-langlois

src/ISO3166.php

@@ -275,7 +275,6 @@ private function lookup(string $key, string $value): array
             'currency' => [
                 'ARS',
                 'AUD',
-                'BGN',
                 'BRL',
                 'BYR',
                 'CLP',
@@ -532,7 +531,7 @@ private function lookup(string $key, string $value): array
             'alpha3' => 'BGR',
             'numeric' => '100',
             'currency' => [
-                'BGN',
+                'EUR',
             ],
         ],
         [