Fix renovate configuration

.github/workflows/renovate.yml

@@ -0,0 +1,15 @@
+name: Renovate
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 */6 * * *'
+jobs:
+  renovate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Self-hosted Renovate
+        uses: renovatebot/github-action@v40.2.2
+        with:
+          token: ${{ secrets.RENOVATE_TOKEN }}

.gitignore

@@ -1,3 +1,4 @@
 /secret.*.yaml
 /data/
+/.envrc
 *.DS_Store

renovate.json5

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base"
+  ],
+  "packageRules": [
+    {
+      "matchDatasources": ["docker"],
+      "pinDigests": true
+    }
+  ],
+  "helm-values": {
+    "fileMatch": ["^charts/.*/values\\.yaml$"]
+  },
+  "regexManagers": [
+    {
+      "fileMatch": ["^charts/.*/values\\.yaml$"],
+      "matchStrings": [
+        "repository:\s*'(?<depName>.*?)'\n\s*tag:\s*'(?<currentValue>.*?)'",
+        "repository:\s*\"(?<depName>.*?)\"\n\s*tag:\s*\"(?<currentValue>.*?)\"",
+        "repository:\s*(?<depName>.*?)\n\s*tag:\s*(?<currentValue>.*)"
+      ],
+      "datasourceTemplate": "docker"
+    }
+  ]
+}