chore: add renovate (#860)

* chore: add renovate

* chore: add permissions

.github/workflows/renovate.yml

@@ -0,0 +1,19 @@
+name: Renovate
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 16 * * *"
+
+permissions:
+  contents: read
+
+jobs:
+  renovate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Self-hosted Renovate
+        uses: renovatebot/github-action@v43.0.10
+        with:
+          token: ${{ secrets.RENOVATE_TOKEN }}

renovate.json

@@ -0,0 +1,4 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"]
+}