renovate.json

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": ["config:recommended"],
  "labels": ["dependencies"],
  "postUpdateOptions": ["helmUpdateSubChartArchives"],
  "packageRules": [
    {
      "description": "Helm sub-chart updates (Bitnami PostgreSQL)",
      "matchManagers": ["helmv3"],
      "matchPackageNames": ["postgresql"],
      "schedule": ["before 7am on monday"],
      "automerge": false
    },
    {
      "description": "GitHub Actions updates",
      "matchManagers": ["github-actions"],
      "groupName": "github-actions",
      "schedule": ["before 7am on monday"],
      "automerge": true,
      "automergeType": "pr",
      "matchUpdateTypes": ["minor", "patch"]
    },
    {
      "description": "Docker base image updates",
      "matchManagers": ["dockerfile"],
      "schedule": ["before 7am on monday"],
      "automerge": false
    }
  ]
}