Improve renovate

[nicholasdille]

• containers/crun has unsupported/unversioned value 1.8.4 (versioning=regex:^(?\d+)\.(?\d+)(\.(?\d+))?$)
• Found no results from datasource that look like a version (repository=uniget-org/tools, dependency=curl/curl)
• Found no results from datasource that look like a version (repository=uniget-org/tools, dependency=docker/compose)
• Found no results from datasource that look like a version (repository=uniget-org/tools, dependency=https://codeberg.org/forgejo/forgejo)
• Found no results from datasource that look like a version (repository=uniget-org/tools, dependency=git://g.blicky.net/ncdu.git)
• Found no results from datasource that look like a version (repository=uniget-org/tools, dependency=git://repo.or.cz/socat.git)
• Found no results from datasource that look like a version (repository=uniget-org/tools, dependency=amueller/word_cloud)
• GET https://gitlab.com/api/v4/projects/xdg%2Fxdg-utils/repository/tags?per_page=100 = (code=ERR_NON_2XX_3XX_RESPONSE, statusCode=404 retryCount=0, duration=185)
  Add support for registryUrlTemplate in scripts/renovate.sh:

  {
    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
    "enabledManagers": [
      "regex"
    ],
    "regexManagers": [
      {
        "datasourceTemplate": "gitlab-tags",
        "depNameTemplate": "xdg/xdg-utils",
        "registryUrlTemplate": "https://gitlab.freedesktop.org/api/v4/projects/xdg%2fxdg-utils/repository/tags?per_page=100",
        "extractVersionTemplate": "^v(?<version>\\d+\\.\\d+(\\.\\d+)??)$",
        "fileMatch": [
          "^tools/xdg-utils/manifest.yaml$"
        ],
        "matchStrings": [
          "version: \"?(?<currentValue>.*?)\"?\\n"
        ]
      }
    ]
  }

• Disable for container image uniget-org/tools/base:main (because of Remove target variable #2213)
• No results for forgejo
• invalid-value
  • containers/crun
  • fabioz/mu-repo
• Add support for customDatasource to scripts/renovate.sh
  • curl
  • mu-repo