ci: sync dependabot config

Author: charmcli

.github/dependabot.yml

@@ -0,0 +1,41 @@
+version: 2
+
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "05:00"
+      timezone: "America/New_York"
+    labels:
+      - "dependencies"
+    commit-message:
+      prefix: "chore"
+      include: "scope"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "05:00"
+      timezone: "America/New_York"
+    labels:
+      - "dependencies"
+    commit-message:
+      prefix: "chore"
+      include: "scope"
+
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "05:00"
+      timezone: "America/New_York"
+    labels:
+      - "dependencies"
+    commit-message:
+      prefix: "feat"
+      include: "scope"

.github/workflows/dependabot-sync.yml

@@ -0,0 +1,17 @@
+name: dependabot-sync
+on:
+  schedule:
+    - cron: "0 0 * * 0" # every Sunday at midnight
+  workflow_dispatch: # allows manual triggering
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot-sync:
+    uses: charmbracelet/meta/.github/workflows/dependabot-sync.yml@main
+    with:
+      repo_name: ${{ github.event.repository.name }}
+    secrets:
+      gh_token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}