Update version constraints

Author: mpociot

composer.json

@@ -17,14 +17,14 @@
     ],
     "require": {
         "php": "^7.1",
-        "illuminate/auth": "~5.5.0|~5.6.0|~5.7.0",
-        "illuminate/database": "~5.5.0|~5.6.0|~5.7.0",
-        "illuminate/notifications": "~5.5.0|~5.6.0|~5.7.0",
-        "illuminate/support": "~5.5.0|~5.6.0|~5.7.0"
+        "illuminate/auth": "5.5.*|5.6.*|5.7.*|5.8.*",
+        "illuminate/database": "5.5.*|5.6.*|5.7.*|5.8.*",
+        "illuminate/notifications": "5.5.*|5.6.*|5.7.*|5.8.*",
+        "illuminate/support": "5.5.*|5.6.*|5.7.*|5.8.*"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.0",
-        "orchestra/testbench": "~3.5.0|~3.6.0"
+        "orchestra/testbench": "~3.5.0|~3.6.0|~3.7.0|~3.8.0"
     },
     "autoload": {
         "psr-4": {

tests/TestCase.php

@@ -15,7 +15,7 @@
 
 class TestCase extends Orchestra
 {
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();