Bump Microsoft.AspNetCore.TestHost from 5.0.7 to 5.0.9 (#12)

Bumps [Microsoft.AspNetCore.TestHost](https://github.com/dotnet/aspnetcore) from 5.0.7 to 5.0.9.
<details>
<summary>Release notes</summary>

*Sourced from [Microsoft.AspNetCore.TestHost's releases](https://github.com/dotnet/aspnetcore/releases).*

> ## .NET 5.0.9
> [Release](https://github.com/dotnet/core/releases/tag/v5.0.9)
>
> ## .NET 5.0.8
> [Release](https://github.com/dotnet/core/releases/tag/v5.0.8)
</details>
<details>
<summary>Commits</summary>

- [`c663ade`](dotnet/aspnetcore@c663ade) Merged PR 15469: Clean up logging
- [`3aeeedc`](dotnet/aspnetcore@3aeeedc) [internal/release/5.0] Update dependencies from dnceng/internal/dotnet-efcore
- [`adcf3c4`](dotnet/aspnetcore@adcf3c4) Merge in 'release/5.0' changes
- [`3f87303`](dotnet/aspnetcore@3f87303) Merge pull request [#34308](dotnet/aspnetcore#34308) from vseanreesermsft/internal-merge-5.0-2021-07-13-...
- [`45223e7`](dotnet/aspnetcore@45223e7) [release/5.0] Update package baselines
- [`81b0403`](dotnet/aspnetcore@81b0403) [release/5.0] Bump SiteExtension.3.1 version
- [`518c5b9`](dotnet/aspnetcore@518c5b9) [release/5.0] Update to latest SDK and runtime
- [`41f3416`](dotnet/aspnetcore@41f3416) Merge commit 'ae2eabad0e49302d0632a7dde917fdc68d960dc4' into internal-merge-5...
- [`b6532d4`](dotnet/aspnetcore@b6532d4) [internal/release/5.0] Update dependencies from dnceng/internal/dotnet-runtime
- [`45a120e`](dotnet/aspnetcore@45a120e) [internal/release/5.0] Update dependencies from dnceng/internal/dotnet-runtime
- Additional commits viewable in [compare view](dotnet/aspnetcore@v5.0.7...v5.0.9)
</details>

<br />

Co-authored-by: Elanis <elanis@hotmail.com>
Reviewed-on: https://gitea.dysnomia.studio/elanis/dysnomia-website/pulls/12
Co-authored-by: elanis <elanis@noreply.example.org>
Co-committed-by: elanis <elanis@noreply.example.org>

Dysnomia.Website.WebApp.Tests/Dysnomia.Website.WebApp.Tests.csproj

@@ -12,7 +12,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="FluentAssertions" Version="5.10.3" />
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="5.0.7" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="5.0.9" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="5.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />