Update nuget non-major dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Microsoft.AspNetCore.Mvc.Testing (source)	8.0.2 -> 8.0.3
Microsoft.AspNetCore.OpenApi (source)	8.0.2 -> 8.0.3
coverlet.collector	6.0.1 -> 6.0.2

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Release Notes

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

### [`v8.0.3`](https://togithub.com/dotnet/aspnetcore/releases/tag/v8.0.3): .NET 8.0.3 [Release](https://togithub.com/dotnet/core/releases/tag/v8.0.3)

coverlet-coverage/coverlet (coverlet.collector)

### [`v6.0.2`](https://togithub.com/coverlet-coverage/coverlet/releases/tag/v6.0.2) ##### Fixed - Threshold-stat triggers error [#​1634](https://togithub.com/coverlet-coverage/coverlet/issues/1634) - Fixed coverlet collector 6.0.1 requires dotnet sdk 8 [#​1625](https://togithub.com/coverlet-coverage/coverlet/issues/1625) - Type initializer errors after updating from 6.0.0 to 6.0.1 [#​1629](https://togithub.com/coverlet-coverage/coverlet/issues/1629) - Exception when multiple exclude-by-attribute filters specified [#​1624](https://togithub.com/coverlet-coverage/coverlet/issues/1624) ##### Improvements - More concise options to specify multiple parameters in coverlet.console [#​1624](https://togithub.com/coverlet-coverage/coverlet/issues/1624) [Diff between 6.0.1 and 6.0.2](https://togithub.com/coverlet-coverage/coverlet/compare/v6.0.1...v6.0.2)

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