update depbot

.github/dependabot.yml

@@ -1,12 +1,15 @@
 ---
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
 version: 2
 updates:
   - package-ecosystem: github-actions
     directory: /
+    commit-message:
+      prefix: chore
+    groups:
+      all:
+        patterns:
+          - "*"
+    labels:
+      - automated-dependency-updates
     schedule:
-      interval: daily
+      interval: monthly