try to test against PHP 8.2

.github/workflows/phpunit.yml

@@ -15,7 +15,7 @@ jobs:
        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=10s --health-retries=10
     strategy:
       matrix:
-        php-versions: ['5.6', '7.2', '7.3', '7.4', '8.0', '8.1']
+        php-versions: ['5.6', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
     steps:
       - name: Checkout
         uses: actions/checkout@v2

.gitignore

@@ -5,3 +5,4 @@ composer.lock
 .DS_Store
 .idea/
 .php_cs.cache
+.vscode/settings.json