CI: Don't test on Nextcloud 23 and 24

Author: PhrozenByte

.github/workflows/test.yml

@@ -16,11 +16,7 @@ jobs:
     permissions: {}
 
     env:
-      RUN_ON: "NEXTCLOUD_STABLE23 NEXTCLOUD_STABLE24 NEXTCLOUD_STABLE25 NEXTCLOUD_MASTER"
-      NEXTCLOUD_STABLE23_BRANCH: "releases/latest-23"
-      NEXTCLOUD_STABLE23_PHP_VERSIONS: "7.3 7.4 8.0"
-      NEXTCLOUD_STABLE24_BRANCH: "releases/latest-24"
-      NEXTCLOUD_STABLE24_PHP_VERSIONS: "7.4 8.0 8.1"
+      RUN_ON: "NEXTCLOUD_STABLE25 NEXTCLOUD_MASTER"
       NEXTCLOUD_STABLE25_BRANCH: "releases/latest-25"
       NEXTCLOUD_STABLE25_PHP_VERSIONS: "7.4 8.0 8.1"
       NEXTCLOUD_MASTER_BRANCH: "daily/latest-master"