PHP 8.3 (#73)

Author: driesvints

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.3, 7.4, '8.0', 8.1, 8.2]
+        php: [7.3, 7.4, '8.0', 8.1, 8.2, 8.3]
 
     name: PHP ${{ matrix.php }}