Added PHP8.4 to CI workflow

Signed-off-by: Tom Wright <[email protected]>

Author: betterthanclay

.github/workflows/integrate.yml

@@ -63,6 +63,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
     steps:
       - name: "Set up PHP"
         uses: "shivammathur/setup-php@v2"