ci: dependabot, sync and lint jobs

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,28 @@
+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"

.github/workflows/build.yml

@@ -9,3 +9,22 @@ jobs:
       go-version-file: ./go.mod
     secrets:
       gh_pat: "${{ secrets.PERSONAL_ACCESS_TOKEN }}"
+
+  dependabot:
+    needs: [build]
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      contents: write
+    if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request'}}
+    steps:
+      - id: metadata
+        uses: dependabot/fetch-metadata@v2
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - run: |
+          gh pr review --approve "$PR_URL"
+          gh pr merge --squash --auto "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.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 }}

.github/workflows/lint-sync.yml

@@ -0,0 +1,14 @@
+name: lint-sync
+on:
+  schedule:
+    # every Sunday at midnight
+    - cron: "0 0 * * 0"
+  workflow_dispatch: # allows manual triggering
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  lint:
+    uses: charmbracelet/meta/.github/workflows/lint-sync.yml@main