Added PHP 8.3 Test (#215)

Author: thecaliskan

.github/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.1', '8.2']
+        php-version: ['8.1', '8.2', '8.3']
         composer-flags: ['']
         name: ['']
         include: