make Iso3166 PHP8 compatible

Author: Gummibeer

composer.json

@@ -22,15 +22,15 @@
     "require-dev": {
         "giggsey/libphonenumber-for-php": "^8.0",
         "hashids/hashids": "^4.0",
-        "league/iso3166": "^2.0",
+        "league/iso3166": "^2.0 || ^3.0",
         "orchestra/testbench": "^6.0",
         "ramsey/uuid": "^4.0",
         "vinkla/hashids": "^9.0"
     },
     "suggest": {
         "giggsey/libphonenumber-for-php": "\\Astrotomic\\PhpunitAssertions\\PhoneNumberAssertions (^8.0)",
         "hashids/hashids": "\\Astrotomic\\PhpunitAssertions\\HashidAssertions (^4.0)",
-        "league/iso3166": "\\Astrotomic\\PhpunitAssertions\\CountryAssertions (^2.0)",
+        "league/iso3166": "\\Astrotomic\\PhpunitAssertions\\CountryAssertions (^2.0 || ^3.0)",
         "ramsey/uuid": "\\Astrotomic\\PhpunitAssertions\\UuidAssertions (^4.0)",
         "vinkla/hashids": "\\Astrotomic\\PhpunitAssertions\\Laravel\\HashidAssertions (^9.0)"
     },