Upgraded dependencies to work with PHP 8

Author: duxthefux

composer.json

@@ -69,13 +69,13 @@
     },
 
     "require": {
-        "php": "~5.6|~7.0",
+        "php": "^7.4|^8.0",
         "guzzlehttp/guzzle": "^6.1",
         "composer-runtime-api": "^2.0"
     },
 
     "conflict": {
-        "browscap/browscap-php": "<3,>=4",
+        "browscap/browscap-php": "^5.0",
         "donatj/phpuseragentparser": "<0.5,>=1",
         "jenssegers/agent": "<2.3,>=3",
         "mobiledetect/mobiledetectlib": "<2.7.5,>=3",
@@ -104,10 +104,9 @@
     },
 
     "require-dev": {
-        "phpunit/phpunit": "^5.6.8",
-        "friendsofphp/php-cs-fixer": "^1.11",
-        
-        "browscap/browscap-php": "^3.0",
+        "phpunit/phpunit": "^9.5",
+        "friendsofphp/php-cs-fixer": "^2.17.3",
+        "browscap/browscap-php": "^4.0",
         "donatj/phpuseragentparser": "^0.5.0",
         "endorphin-studio/browser-detector": "^3.0",
         "handsetdetection/php-apikit": "^4.1.10",