add .github/renovate.json and .github/workflows/renovate.yaml

Author: harryswift01

.github/renovate.json

@@ -0,0 +1,4 @@
+{
+  "extends": ["config:base"],
+  "rangeStrategy": "bump"
+}

.github/workflows/renovate.yaml

@@ -0,0 +1,24 @@
+name: Renovate
+
+on:
+  schedule:
+    - cron: "0 8 * * *"
+  workflow_dispatch:
+
+jobs:
+  renovate:
+    runs-on: ubuntu-24.04
+
+    permissions:
+      contents: write
+      pull-requests: write
+      issues: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: renovatebot/github-action@v40.1.4
+        with:
+          token: ${{ secrets.RENOVATE_TOKEN }}
+        env:
+          RENOVATE_CONFIG_FILE: ".github/renovate.json"