Adding PHP 8.3

Author: smokodon

.travis.yml

@@ -7,7 +7,7 @@ jobs:
       env:
         - RELEASE=jammy
       name: jammy
-      php: "8.3"
+      php: "8.1"
       before_install:
         - sudo rm -rf /var/lib/apt/lists/lock /var/cache/apt/archives/lock /var/lib/dpkg/lock
         - sudo apt-get update