chore: upgrade deps (#113)

Author: alfonsobries

composer.json

@@ -17,20 +17,15 @@
         }
     ],
     "require": {
-        "php": "^7.4|^8.0",
+        "php": "^8.0",
         "bitwasp/bitcoin": "^1.0",
         "simplito/elliptic-php": "^1.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.0",
         "graham-campbell/analyzer": "^3.0",
-        "illuminate/support": "^7.0|^8.0",
-        "mockery/mockery": "^1.2",
-        "pestphp/drift": "^0.3",
-        "pestphp/pest": "^1.0",
-        "pestphp/pest-plugin-parallel": "^0.3.1",
-        "phpunit/phpunit": "^9.5",
-        "symfony/var-dumper": "^5.0"
+        "illuminate/support": "^8.62",
+        "pestphp/pest": "^1.11",
+        "pestphp/pest-plugin-parallel": "^0.3.1"
     },
     "autoload": {
         "psr-4": {