renovate.json5

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": [
    "config:recommended", // https://docs.renovatebot.com/presets-config/#configrecommended
    ":pinAllExceptPeerDependencies", // https://docs.renovatebot.com/presets-default/#pinonlydevdependencies
    "helpers:pinGitHubActionDigests", // https://docs.renovatebot.com/upgrade-best-practices/#extends-helperspingithubactiondigests
    "schedule:monthly" // https://docs.renovatebot.com/presets-schedule/#schedulemonthly
  ],
  "labels": ["dependencies"],
  "packageRules": [
    {
      "groupName": "all devDependencies",
      "excludePackageNames": ["dependency-cruiser", "tj-actions/changed-files", "actions/checkout"],
      "matchDepTypes": ["devDependencies", "packageManager", "actions"],
      "automerge": true
    },
    {
      "groupName": "all dependencies",
      "matchDepTypes": ["dependencies", "engines", "github-runner"]
    },
    {
      "groupName": "all dependencies (github-actions)",
      "matchPackageNames": ["tj-actions/changed-files", "actions/checkout"]
    }
  ]
}