Use a custom feature icon for SPFx

Is it possible to use a custom icon for SharePoint Framework features? When we access the site's settings, it would be interesting to see our brand icon instead of the default one.

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Part of thePackage-solution.json

I do not see any property linked to an icon here:

"Features": [
      {
        "title": "Application Extensions - Top Header & Footer",
        "description": "Deploys application extensions to display a Header at the Top placeholder and a Footer at the Bottom placeholder",
        "id": "24125f88-b8dd-46e1-acd4-a801e650709c",
        "version": "1.0.0.0",
        "assets": {
          "elementManifests": [
            "elements.xml"
          ]
        }
}
]

My best guess is that it is impossible, but can anyone confirm it, please?