Added php 8.3 to tests

Author: sorinsarca

.github/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.4, 8.0, 8.1, 8.2]
+        php: [7.4, 8.0, 8.1, 8.2, 8.3]
 
     name: PHP ${{ matrix.php }}