Update composer laravel/tinker dependency

Author: scrubmx

composer.json

@@ -2,8 +2,6 @@
     "name": "intonate/tinker-zero",
     "description": "Use laravel/tinker on your laravel-zero applications",
     "keywords": ["tinker", "tinker-zero", "repl", "psysh", "laravel", "laravel-zero"],
-    "type": "library",
-    "version": "1.0.0",
     "license": "MIT",
     "homepage": "https://github.com/laravel/tinker#readme",
     "support": {
@@ -17,12 +15,12 @@
         }
     ],
     "require": {
-        "php": ">=7.0.0",
-        "laravel/tinker": "~1.0"
+        "php": "^7.2.5",
+        "laravel/tinker": "^1.0|^2.0"
     },
     "require-dev": {
-        "orchestra/testbench": "~3.5",
-        "phpunit/phpunit": "~6.0"
+        "orchestra/testbench": "^4.0",
+        "phpunit/phpunit": "^8.4"
     },
     "autoload": {
         "psr-4": {
@@ -43,9 +41,8 @@
     },
     "config": {
         "optimize-autoloader": true,
-        "preferred-install": "dist",
         "sort-packages": true
     },
-    "minimum-stability": "stable",
+    "minimum-stability": "dev",
     "prefer-stable": true
 }

phpunit.xml

@@ -1,15 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         beStrictAboutTestsThatDoNotTestAnything="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
          bootstrap="vendor/autoload.php"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         syntaxCheck="false">
+         colors="true">
     <testsuites>
         <testsuite name="Unit">
             <directory suffix=".php">./tests</directory>

src/Console/TinkerZeroCommand.php

@@ -14,7 +14,7 @@ class TinkerZeroCommand extends TinkerCommand
      *
      * @override \Laravel\Tinker\Console\TinkerCommand
      *
-     * @return void
+     * @return int
      */
     public function handle()
     {
@@ -31,6 +31,8 @@ public function handle()
         } finally {
             $loader->unregister();
         }
+
+        return 0;
     }
 
     /**

tests/TinkerZeroServiceProviderTest.php

@@ -18,7 +18,7 @@ class TinkerZeroServiceProviderTest extends TestCase
      *
      * @return void
      */
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();