Update dependencies

Author: AlexanderPoellmann

composer.json

@@ -21,16 +21,16 @@
         }
     ],
     "require": {
-        "php"                 : ">=7.2",
-        "illuminate/support"  : ">=6.0",
-        "illuminate/database" : ">=6.0"
+        "php"                 : "^7.2.5|^8.0",
+        "illuminate/support"  : "^6.0|^7.0|^8.0",
+        "illuminate/database" : "^6.0|^7.0|^8.0"
     },
     "require-dev": {
-        "laravel/framework"      : "^6.0",
-        "mockery/mockery"        : "~1.0",
-        "phpunit/phpunit"        : "^9.4",
-        "orchestra/testbench"    : "^4.10",
-        "doctrine/dbal"          : "^2.12"
+        "laravel/framework"   : "^6.0|^7.0|^8.0",
+        "mockery/mockery"     : "~1.0",
+        "phpunit/phpunit"     : "^8.0|^9.0",
+        "orchestra/testbench" : "^4.0|^5.0|^6.0",
+        "doctrine/dbal"       : "^2.12"
     },
     "autoload": {
         "psr-4": {