default.json

{
  "regexManagers": [
    {
      "description": "Update Terraform Versions",
      "fileMatch": ["^versions\\.tf$"],
      "matchStrings": [
        "\\s*#\\s*renovate:\\s*datasource=(?<datasource>.*?) depName=(?<depName>.*?)?\\s.*?version\\s.*=\\s.*\"(>=|<=|)(?<currentValue>.*)\""
      ],
      "versioningTemplate": "{{#if versioning}}{{versioning}}{{else}}semver{{/if}}"
    }
  ]
}