Fix for Composer 2.0

Author: DivineOmega

composer.json

@@ -3,7 +3,7 @@
     "description": "Simple PHP client for various Google Maps APIs",
     "require": {
         "guzzlehttp/guzzle": "^6.2",
-        "DivineOmega/DO-File-Cache": "^2.0",
+        "divineomega/do-file-cache": "^2.0",
         "divineomega/php-distance": "^1.0",
         "laravel/framework": "^5.1||^6.0||^7.0",
         "ext-json": "*",