add compatibility for php 8.3

Author: Kanti

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2' ]
+        php: [ '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3' ]
         webserver: [ 'apache', 'nginx' ]
         distroAddon: [ '', '-alpine' ]
     steps: