Called by:

• Mobilizon.Service.HTTP.ActivityPub.client (L26)
• Mobilizon.Service.HTTP.GenericJSONClient.client (L25)
• Mobilizon.Service.RichMedia.Favicon.fetch (L21)
• Mobilizon.Service.RichMedia.Parser.default_user_agent (L298)
• Mobilizon.Service.RichMedia.Parser.default_user_agent (L302)
• Mobilizon.Service.RichMedia.Parser.default_user_agent (L306)