Upgrade to Laravel 8.x

Author: dmitry-ivanov

composer.json

@@ -15,14 +15,14 @@
         "php": "^7.3",
         "ext-json": "*",
         "arvenil/ninja-mutex": "^0.6",
-        "illuminate/support": "^8.0",
-        "illuminate/console": "^8.0"
+        "illuminate/console": "^8.0",
+        "illuminate/support": "^8.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.4|^9.0",
         "mockery/mockery": "^1.3.1",
         "orchestra/testbench": "^6.0",
-        "illuminated/testing-tools": "dev-master",
+        "illuminated/testing-tools": "^8.0",
         "predis/predis": "^1.1.1",
         "ext-pdo_mysql": "*",
         "ext-redis": "*"