Add experimental php 8.3 build

sebastianfeldmann · sebastianfeldmann · commit 93af6f914653 · 2023-10-01T14:15:54.000+02:00
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
@@ -16,6 +16,9 @@ jobs:
           - php: 7.4
             buildphar: false
             experimental: false
+          - php: 8.3
+            buildphar: false
+            experimental: true
     env:
       PHAR: build/phar/captainhook.phar
 
