feat: add renovate setup (#6039)

.github/workflows/renovate.yml

@@ -0,0 +1,19 @@
+name: Renovate
+on:
+  schedule:
+    - cron: '0 23 1 * *'  # 23:00 on the first day of each month
+  workflow_dispatch:       # allow manual runs
+
+jobs:
+  renovate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5.0.0
+      - name: Self-hosted Renovate
+        uses: renovatebot/github-action@v44.0.0
+        with:
+          configurationFile: renovate.json
+        env:
+          RENOVATE_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          LOG_LEVEL: info

renovate.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base"
+  ],
+  "enabledManagers": ["npm", "github-actions"],
+  "packageRules": [
+    {
+      "matchManagers": ["npm"],
+      "matchUpdateTypes": ["major"],
+      "enabled": false
+    }
+  ],
+  "prHourlyLimit": 0,
+  "prConcurrentLimit": 10,
+  "minimumReleaseAge": "14d"
+}