Merge pull request #18 from keatliang2005/laravel-10

Update dependency to support Laravel 10

Author: ssx

composer.json

@@ -9,12 +9,12 @@
     ],
     "require": {
         "php": "^7.3|^8.0",
-        "illuminate/contracts": "^5.5|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/contracts": "^5.5|^6.0|^7.0|^8.0|^9.0|^10.0",
         "league/iso3166": "^3.0|^4.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^3.5|^4.0|^5.0|^7.0",
-        "phpunit/phpunit": "^7.0|^8.0|^9.0"
+        "orchestra/testbench": "^3.5|^4.0|^5.0|^7.0|^8.0",
+        "phpunit/phpunit": "^7.0|^8.0|^9.0|^10.0"
     },
     "license": "Apache-2.0",
     "authors": [