env: add support for php 8.3

Author: Rhilip

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: [ 7.3, 7.4, 8.0, 8.1, 8.2 ]
+        php-versions: [ 7.3, 7.4, 8.0, 8.1, 8.2, 8.3 ]
     steps:
       - uses: actions/checkout@master
 

composer.json

@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": "^7.3|^8.0"
+        "php": "^7.3|^8.0|^8.1|^8.2|^8.2|^8.3"
     },
     "require-dev": {
         "ext-json": "*",