Update target doses

[pauljohanneskraft]

Update target doses

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[PSchmiedmayer]

Thank you @pauljohanneskraft; looks good.

@arkadiuszbachorski It would be amazing if we can add a small button in the web frontend that could trigger the update static data function in some setting view that is only accessible to admins. Could we do that in a PR to the web frontend so we can re-trigger the update of the static data.