Merge pull request #7 from magento-trigger/php81-compatibility

Add php8.1 declaration

Author: fascinosum

.github/workflows/php.yml

@@ -13,9 +13,9 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "7.3"
           - "7.4"
           - "8.0"
+          - "8.1"
         dependencies:
           - "lowest"
           - "highest"

composer.json

@@ -8,7 +8,7 @@
     "AFL-3.0"
   ],
   "require": {
-    "php": "~7.3.0||~7.4.0||~8.0.0",
+    "php": "~7.4.0||~8.0.0||~8.1.0",
     "composer/composer": "^1.9 || ^2.0",
     "symfony/console": "~4.4.0"
   },