renovate.json

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": [
    ":pinAllExceptPeerDependencies",
    ":semanticPrefixFixDepsChoreOthers",
    ":ignoreModulesAndTests",
    ":preserveSemverRanges",
    "customManagers:dockerfileVersions",
    "customManagers:githubActionsVersions",
    "customManagers:makefileVersions"
  ],
  "pre-commit": {
    "enabled": true
  },
  "customManagers": [
    {
      "description": "actions-images",
      "customType": "regex",
      "datasourceTemplate": "docker",
      "managerFilePatterns": [
        "/(^|/)(workflow-templates|\\.(?:github|gitea|forgejo)/(?:workflows|actions))/.+\\.ya?ml$/",
        "/(^|/)action\\.ya?ml$/"
      ],
      "matchStrings": [
        "# renovate: datasource=docker(?: versioning=(?<versioning>[^\\s]+?))?\\s+image:\\s*[\"']?(?<depName>.+?):(?<currentValue>.+?)[\"']?\\s"
      ]
    }
  ]
}