Bump requirements

Author: Jean85

composer.json

@@ -10,12 +10,12 @@
         }
     ],
     "require": {
-        "php": "^7.1 || ^8.0",
-        "phpstan/phpstan": "^1.0",
+        "php": "^7.4 || ^8.0",
+        "phpstan/phpstan": "^2.0",
         "thecodingmachine/safe": "^1.0 || ^2.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5.2 || ^8.0",
+        "phpunit/phpunit": "^9.6",
         "php-coveralls/php-coveralls": "^2.1",
         "squizlabs/php_codesniffer": "^3.4"
     },
@@ -30,13 +30,13 @@
         }
     },
     "scripts": {
-        "phpstan": "phpstan analyse src -c phpstan.neon --level=7 --no-progress -vvv",
+        "phpstan": "phpstan analyse src -c phpstan.neon --level=max --no-progress -vvv",
         "cs-fix": "phpcbf",
         "cs-check": "phpcs"
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "2.0-dev"
         },
         "phpstan": {
             "includes": [