Merge pull request #30 from weierophinney/feature/php-8-testing

Test against PHP 8.0

composer.json

@@ -21,17 +21,17 @@
     "extra": {
     },
     "require": {
-        "php": "^7.3 || ^7.4",
+        "php": "^7.3 || ~8.0.0",
         "laminas/laminas-console": "^2.6",
         "laminas/laminas-dom": "^2.8",
-        "laminas/laminas-eventmanager": "^2.6.2 || ^3.0",
-        "laminas/laminas-http": "^2.8.3",
+        "laminas/laminas-eventmanager": "^3.0",
+        "laminas/laminas-http": "^2.13",
         "laminas/laminas-mvc": "^3.0",
-        "laminas/laminas-servicemanager": "^2.7.5 || ^3.0.3",
+        "laminas/laminas-servicemanager": "^3.0.3",
         "laminas/laminas-stdlib": "^3.3",
         "laminas/laminas-uri": "^2.5",
         "laminas/laminas-view": "^2.6.3",
-        "laminas/laminas-zendframework-bridge": "^1.0",
+        "laminas/laminas-zendframework-bridge": "^1.1",
         "vimeo/psalm": "^4.7.0",
         "psalm/plugin-phpunit": "^0.15.0",
         "phpunit/phpunit": "^8.0 || ^9.0"