Bump Microsoft.AspNet.WebApi.OwinSelfHost from 5.2.3 to 5.2.7 (#144)

Bumps [Microsoft.AspNet.WebApi.OwinSelfHost](https://github.com/aspnet/AspNetWebStack) from 5.2.3 to 5.2.7.
- [Release notes](https://github.com/aspnet/AspNetWebStack/releases)
- [Commits](https://github.com/aspnet/AspNetWebStack/commits)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Packages.props

@@ -8,7 +8,7 @@
 		<PackageReference Update="HttpMock" Version="[2.3.1]" />
 		<PackageReference Update="FluentAssertions" Version="[5.10.3]" />
 		<PackageReference Update="Microsoft.AspNet.WebApi.Core" Version="[5.2.7]" />
-		<PackageReference Update="Microsoft.AspNet.WebApi.OwinSelfHost" Version="[5.2.3]" />
+		<PackageReference Update="Microsoft.AspNet.WebApi.OwinSelfHost" Version="[5.2.7]" />
 		<PackageReference Update="Microsoft.NET.Test.Sdk" Version="[16.8.0]" />
 		<PackageReference Update="Moq" Version="[4.15.2]" />
 		<PackageReference Update="Newtonsoft.Json" Version="[6.0.6]" />