Add initial Renovate configuration

Author: renovate-rancher[bot]

.github/renovate.json

@@ -0,0 +1,19 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "github>rancher/renovate-config//default#release"
+  ],
+  "baseBranchPatterns": [
+    "main"
+  ],
+  "packageRules": [
+    {
+      "matchBaseBranches": [
+        "main"
+      ],
+      "extends": [
+        "github>rancher/renovate-config//rancher-main#release"
+      ]
+    }
+  ]
+}

.github/workflows/renovate-vault.yml

@@ -0,0 +1,64 @@
+name: Renovate
+on:
+  workflow_dispatch:
+    inputs:
+      logLevel:
+        description: "Override default log level"
+        required: false
+        default: info
+        type: choice
+        options:
+          - info
+          - debug
+      overrideSchedule:
+        description: "Override all schedules"
+        required: false
+        default: "false"
+        type: choice
+        options:
+          - "false"
+          - "true"
+      configMigration:
+        description: "Toggle PRs for config migration"
+        required: false
+        default: "true"
+        type: choice
+        options:
+          - "false"
+          - "true"
+      renovateConfig:
+        description: "Define a custom renovate config file"
+        required: false
+        default: ".github/renovate.json"
+        type: string
+      minimumReleaseAge:
+        description: "Override minimumReleaseAge for a one-time run (e.g., '0 days' to disable delay)"
+        required: false
+        default: "null"
+        type: string
+
+  schedule:
+    - cron: '30 6 * * 1-5'
+
+permissions: {}
+
+jobs:
+  call-workflow:
+    permissions:
+      contents: read
+      id-token: write # Required for Vault OIDC authentication.
+    # https://github.com/rancher/renovate-config/releases
+    uses: rancher/renovate-config/.github/workflows/renovate-vault.yml@b20e059a3642b4f6add6f9db276349daca5ea54e # v1.0.10
+    # Note: github.event.inputs.<name> with '||' fallbacks is used across all inputs
+    # so that scheduled cron runs (where github.event.inputs is null) safely default.
+    with:
+      configMigration: ${{ github.event.inputs.configMigration || 'true' }}
+      logLevel: ${{ github.event.inputs.logLevel || 'info' }}
+      overrideSchedule: ${{ github.event.inputs.overrideSchedule || 'false' }}
+      renovateConfig: ${{ github.event.inputs.renovateConfig || '.github/renovate.json' }}
+      minimumReleaseAge: ${{ github.event.inputs.minimumReleaseAge || 'null' }}
+    secrets:
+      # Optional: RENOVATE_FORK_GH_TOKEN allows this action to run on repository forks where
+      # Vault/App token generation is unavailable. Defaulting to '' allows the caller
+      # to fall back gracefully on standard runs without failing secret evaluation.
+      override-token: "${{ secrets.RENOVATE_FORK_GH_TOKEN || '' }}"