chore(deps): update dependency microsoft.aspnetcore.mvc.testing to v7.0.9

This PR contains the following updates:

Package	Type	Update	Change
Microsoft.AspNetCore.Mvc.Testing (source)	nuget	patch	`7.0.8` -> `7.0.9`

Release Notes

dotnet/aspnetcore (Microsoft.AspNetCore.Mvc.Testing)

### [`v7.0.9`](https://togithub.com/dotnet/aspnetcore/releases/tag/v7.0.9): .NET 7.0.9 [Release](https://togithub.com/dotnet/core/releases/tag/v7.0.9)

Configuration

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Altinn / altinn-register

chore(deps): update dependency microsoft.aspnetcore.mvc.testing to v7.0.9 #130

Release Notes

Configuration