Allow phar build on all supported versions

Author: sebastianfeldmann

.github/workflows/integration.yml

@@ -11,10 +11,10 @@ jobs:
       matrix:
         include:
           - php: 8.0
-            buildphar: false
+            buildphar: true
             experimental: false
           - php: 8.1
-            buildphar: false
+            buildphar: true
             experimental: false
           - php: 8.2
             buildphar: true