Adding Laravel 7 compatibility

Author: moufmouf

composer.json

@@ -19,16 +19,16 @@
     "require": {
         "php": ">=7.2",
         "thecodingmachine/graphqlite": "^4",
-        "illuminate/console": "^5.7|^6.0",
-        "illuminate/container": "^5.7|^6.0",
-        "illuminate/support": "^5.7|^6.0",
-        "illuminate/cache": "^5.7|^6.0",
+        "illuminate/console": "^5.7|^6.0|^7",
+        "illuminate/container": "^5.7|^6.0|^7",
+        "illuminate/support": "^5.7|^6.0|^7",
+        "illuminate/cache": "^5.7|^6.0|^7",
         "symfony/psr-http-message-bridge": "^1.3.0 || ^2",
         "laminas/laminas-diactoros": "^2.2.2",
         "symfony/cache": "^4.3 || ^5"
     },
     "require-dev": {
-        "orchestra/testbench": "^3.7.7 || ^4",
+        "orchestra/testbench": "^3.7.7 || ^4 || ^5",
         "phpunit/phpunit": "^7.5.4 || ^8.3",
         "ext-sqlite3": "*"
     },

tests/Providers/GraphQLiteServiceProviderTest.php

@@ -169,5 +169,6 @@ public function testCachePurger(): void
     {
         $cachePurger = $this->app->make(CachePurger::class);
         $cachePurger->handle();
+        $this->assertTrue(true);
     }
 }