Dependencies are updated for laravel 8

Author: aimalamiri

composer.json

@@ -10,15 +10,15 @@
         }
     ],
     "require": {
-        "php": ">=7.1",
-        "illuminate/support": "5.0.*|5.1.*|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|^6.0|^7.0",
-        "illuminate/validation": "5.0.*|5.1.*|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|^6.0|^7.0",
-        "illuminate/translation": "5.0.*|5.1.*|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|^6.0|^7.0"
+        "php": ">=7.3",
+        "illuminate/support": "5.0.*|5.1.*|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|^6.0|^7.0|8.0.4",
+        "illuminate/validation": "5.0.*|5.1.*|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|^6.0|^7.0|8.0.4",
+        "illuminate/translation": "5.0.*|5.1.*|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|^6.0|^7.0|8.0.4"
     },
     "require-dev": {
-        "mockery/mockery": "^1.0",
-        "phpunit/phpunit": "^8.0.0",
-        "symfony/var-dumper": "2.7.*@dev"
+        "mockery/mockery": "^1.4.2",
+        "phpunit/phpunit": "^9.0",
+        "symfony/var-dumper": "5.1.5.*@dev"
     },
     "autoload": {
         "psr-4": {