chore(deps): Bump the nuget-dependencies group in /src with 6 updates

Bumps the nuget-dependencies group in /src with 6 updates:

| Package | From | To |
| --- | --- | --- |
| [JetBrains.Annotations](https://github.com/JetBrains/JetBrains.Annotations) | `2023.2.0` | `2023.3.0` |
| [Microsoft.Extensions.Configuration.EnvironmentVariables](https://github.com/dotnet/runtime) | `7.0.0` | `8.0.0` |
| [Microsoft.Extensions.Options](https://github.com/dotnet/runtime) | `8.0.0` | `8.0.1` |
| [Microsoft.Extensions.Options.ConfigurationExtensions](https://github.com/dotnet/runtime) | `7.0.0` | `8.0.0` |
| [AutoFixture](https://github.com/AutoFixture/AutoFixture) | `4.18.0` | `4.18.1` |
| [xunit](https://github.com/xunit/xunit) | `2.6.0` | `2.6.6` |


Updates `JetBrains.Annotations` from 2023.2.0 to 2023.3.0
- [Commits](JetBrains/JetBrains.Annotations@v2023.2.0...2023.3)

Updates `Microsoft.Extensions.Configuration.EnvironmentVariables` from 7.0.0 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...v8.0.0)

Updates `Microsoft.Extensions.Options` from 8.0.0 to 8.0.1
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.0...v8.0.1)

Updates `Microsoft.Extensions.Options.ConfigurationExtensions` from 7.0.0 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...v8.0.0)

Updates `AutoFixture` from 4.18.0 to 4.18.1
- [Release notes](https://github.com/AutoFixture/AutoFixture/releases)
- [Commits](AutoFixture/AutoFixture@v4.18.0...v4.18.1)

Updates `xunit` from 2.6.0 to 2.6.6
- [Commits](xunit/xunit@2.6.0...2.6.6)

---
updated-dependencies:
- dependency-name: JetBrains.Annotations
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-dependencies
- dependency-name: Microsoft.Extensions.Configuration.EnvironmentVariables
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: nuget-dependencies
- dependency-name: Microsoft.Extensions.Options
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nuget-dependencies
- dependency-name: Microsoft.Extensions.Options.ConfigurationExtensions
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: nuget-dependencies
- dependency-name: AutoFixture
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nuget-dependencies
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nuget-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

src/SpaceTrackSdk.Tests/SpaceTrackSdk.Tests.csproj

@@ -19,7 +19,7 @@
         <PackageReference Include="JetBrains.Annotations" Version="2023.2.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
         <PackageReference Include="Shouldly" Version="4.2.1" />
-        <PackageReference Include="xunit" Version="2.6.0" />
+        <PackageReference Include="xunit" Version="2.6.6" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>