chore(github): Migrate to renovate GH action (#2520)

chore: Migrate to renovate GH action

Signed-off-by: Marco Maurer <mkilchhofer@users.noreply.github.com>

.github/workflows/renovate.yaml

@@ -0,0 +1,36 @@
+name: Renovate
+on:
+  # The "*" (#42, asterisk) character has special semantics in YAML, so this
+  # string has to be quoted.
+  schedule:
+    - cron: '0 * * * *'
+  # Manual trigger is also possible
+  workflow_dispatch: {}
+
+permissions:
+  contents: read
+
+jobs:
+  renovate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get token
+        uses: actions/create-github-app-token@f4c6bf6752984b3a29fcc135a5e70eb792c40c6b # v1.8.0
+        id: get_token
+        with:
+          app-id: ${{ vars.RENOVATE_APP_ID }}
+          private-key: ${{ secrets.RENOVATE_APP_PRIVATE_KEY }}
+
+      - name: Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+      - name: Self-hosted Renovate
+        uses: renovatebot/github-action@2d90417499f45ff78a09586f7b9874b19817dba3 # v40.1.0
+        with:
+          configurationFile: .github/configs/renovate-config.js
+          # renovate: datasource=docker depName=ghcr.io/renovatebot/renovate
+          renovate-version: 37.192.1
+          token: '${{ steps.get_token.outputs.token }}'
+        env:
+          LOG_LEVEL: 'debug'
+          RENOVATE_REPOSITORIES: '${{ github.repository }}'