chore(CI): Adjust testing matrix for Nextcloud 32 on master

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

.github/workflows/integration.yml

@@ -43,7 +43,7 @@ jobs:
       matrix:
         php-versions: [ "8.1", "8.2", "8.3", "8.4" ]
         databases: [ "mysql" ]
-        server-versions: [ "stable30", "stable31", "master" ]
+        server-versions: [ "stable30", "stable31", "stable32", "master" ]
         exclude:
           - server-versions: "master"
             php-versions: "8.1"