Merge branch 'release/2.0.0'

Author: krns

composer.json

@@ -19,15 +19,16 @@
         }
     ],
     "require": {
-        "php": ">=7.2"
+        "php": "^7.2.5",
+        "laravel/framework": "^6.0|^7.0"
     },
     "require-dev": {
-      "orchestra/testbench": "^3.7",
-      "phpunit/phpunit": "8.3.4",
+      "orchestra/testbench": "^5.2",
+      "phpunit/phpunit": "9.1",
       "phpmd/phpmd": "^2.6",
       "squizlabs/php_codesniffer": "^3.3",
       "consistence/coding-standard": "^3.8",
-      "slevomat/coding-standard": "^5.0"
+      "slevomat/coding-standard": "^6.3"
     },
     "autoload": {
         "psr-4": {