Added php 8.3 to tests

Author: mck89

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       max-parallel: 12
       matrix:
-        php: ['5.4', '5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
+        php: ['5.4', '5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.2']
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2