Update dockerfile non-major dependencies

This PR contains the following updates:

Package	Type	Update	Change
mcr.microsoft.com/dotnet/aspnet	final	patch	`7.0.14-alpine3.18` -> `7.0.15-alpine3.18`
mcr.microsoft.com/dotnet/sdk	stage	patch	`7.0.404-alpine3.18` -> `7.0.405-alpine3.18`
xunit	nuget	patch	`2.6.4` -> `2.6.5`

Release Notes

dotnet/aspnetcore (mcr.microsoft.com/dotnet/aspnet)

### [`v7.0.15`](https://togithub.com/dotnet/aspnetcore/compare/v7.0.14...v7.0.15) [Compare Source](https://togithub.com/dotnet/aspnetcore/compare/v7.0.14...v7.0.15)

dotnet/sdk (mcr.microsoft.com/dotnet/sdk)

### [`v7.0.405`](https://togithub.com/dotnet/sdk/compare/v7.0.404...v7.0.405) [Compare Source](https://togithub.com/dotnet/sdk/compare/v7.0.404...v7.0.405)

xunit/xunit (xunit)

### [`v2.6.5`](https://togithub.com/xunit/xunit/compare/2.6.4...2.6.5) [Compare Source](https://togithub.com/xunit/xunit/compare/2.6.4...2.6.5)

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Altinn / altinn-file-scan

Update dockerfile non-major dependencies #122

Release Notes

Configuration

Quality Gate passed