chore: align dependabot for vitest

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

Author: susnux

.github/dependabot.yml

@@ -1,13 +1,23 @@
-# SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
-# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: CC0-1.0
+
 version: 2
 updates:
 - package-ecosystem: npm
   directory: "/"
-  versioning-strategy: increase
   schedule:
     interval: weekly
     day: saturday
     time: "03:00"
     timezone: Europe/Paris
   open-pull-requests-limit: 10
+  versioning-strategy: increase
+  groups:
+    vite:
+      patterns:
+        - "vite"
+        - "@nextcloud/vite-config"
+    vitest:
+      patterns:
+        - "vitest"
+        - "@vitest/*"