dependabot.yml: update to match main configuration

Author: BrewTestBot

.github/dependabot.yml

@@ -1,18 +1,23 @@
+# This file is synced from the `.github` repository, do not modify it directly.
+---
 version: 2
-
-updates:
-  - package-ecosystem: github-actions
-    directory: /
+multi-ecosystem-groups:
+  all:
     schedule:
-      interval: daily
-    allow:
-      - dependency-type: all
-    groups:
-      artifacts:
-        patterns:
-          - actions/*-artifact
+      interval: weekly
+      day: friday
+      time: '08:00'
+      timezone: Etc/UTC
+updates:
+- package-ecosystem: github-actions
+  directory: "/"
+  multi-ecosystem-group: all
+  patterns:
+  - "*"
+  allow:
+  - dependency-type: all
+  cooldown:
+    default-days: 1
+    include:
+    - "*"
 
-  - package-ecosystem: terraform
-    directory: /
-    schedule:
-      interval: daily