Add support for PHP 8

Tests/Twig/Extension/__snapshots__/MenuExtensionTest__testRenderMenu__1.txt

@@ -0,0 +1 @@
+<li class="nav-item dropdown"><a class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown Menu 1</a><div class="dropdown-menu"><a class="dropdown-item" href="/app-dropdown-2-route?test=123">Dropdown Item 2 (should render a dropdown-item)</a></div></li><li class="nav-item dropdown"><a class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown Menu 2</a><div class="dropdown-menu"><a class="dropdown-item" href="/app-dropdown-item-3-route">Dropdown Item 3 (should render a dropdown-item because user has permission)</a><a class="dropdown-item" href="https://disney.com">Dropdown Item 4 (should render a dropdown-item linking to Disney)</a></div></li><li class="nav-item"><a class="nav-link" href="/app-link-1-route">Link 1 (this should render a nav-link)</a></li><li class="nav-item dropdown"><a class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown Menu 4</a><div class="dropdown-menu"><a class="dropdown-item" href="/app-dropdown-item-8-route">Dropdown Item 8</a><div class="dropdown-divider"></div><h6 class="dropdown-header">Divider 2 (should render a dropdown-header)</h6><a class="dropdown-item" href="/app-dropdown-item-9-route">Dropdown Item 9</a><div class="dropdown-divider"></div><a class="dropdown-item" href="/app-dropdown-item-10-route">Dropdown Item 10</a><a class="dropdown-item" href="/app-dropdown-item-11-route">Dropdown Item 11</a><div class="dropdown-divider"></div><h6 class="dropdown-header">Divider 5</h6><a class="dropdown-item" href="/app-dropdown-item-13-route">Dropdown Item 13</a></div></li>

composer.json

@@ -3,26 +3,26 @@
     "description": "Render Bootstrap 4 menus using Symfony",
     "type": "symfony-bundle",
     "license": "MIT",
-    "version": "1.2.0",
+    "version": "1.2.1",
     "authors": [
         {
             "name": "Cameron Murphy",
             "email": "[email protected]"
         }
     ],
     "require": {
-        "php": "^7.1.3",
+        "php": "^7.1.3 || ^8.0",
         "ext-json": "*",
         "symfony/config": "^4.2|^5.0",
         "symfony/dependency-injection": "^4.2|^5.0",
         "symfony/twig-bundle": "^4.2|^5.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.16",
+        "friendsofphp/php-cs-fixer": "^2.17",
         "squizlabs/php_codesniffer": "^3.5",
         "symfony/phpunit-bridge": "^4.2|^5.0",
-        "spatie/phpunit-snapshot-assertions": "^2.0|^3.0",
-        "phpunit/phpunit": "^7.0|^8.0",
+        "spatie/phpunit-snapshot-assertions": "^2.0 || ^3.0 || ^4.0",
+        "phpunit/phpunit": "^7.0 || ^8.0",
         "dg/bypass-finals": "^1.1"
     },
     "autoload": {