Add initial Renovate configuration

Author: renovate-rancher[bot]

.github/renovate.json

@@ -0,0 +1,9 @@
+{
+  "extends": [
+    "github>rancher/renovate-config#release"
+  ],
+  "baseBranches": [
+    "main"
+  ],
+  "prHourlyLimit": 2
+}

.github/workflows/renovate-vault.yml

@@ -0,0 +1,29 @@
+name: Renovate
+on:
+  workflow_dispatch:
+    inputs:
+      logLevel:
+        description: "Override default log level"
+        required: false
+        default: "info"
+        type: string
+      overrideSchedule:
+        description: "Override all schedules"
+        required: false
+        default: "false"
+        type: string
+  # Run twice in the early morning (UTC) for initial and follow up steps (create pull request and merge)
+  schedule:
+    - cron: '30 4,6 * * *'
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  call-workflow:
+    uses: rancher/renovate-config/.github/workflows/renovate-vault.yml@release
+    with:
+      logLevel: ${{ inputs.logLevel || 'info' }}
+      overrideSchedule: ${{ github.event.inputs.overrideSchedule == 'true' && '{''schedule'':null}' || '' }}
+    secrets: inherit