Bump Microsoft.OpenApi.Readers from 1.6.11 to 1.6.13 (#212)

Bumps [Microsoft.OpenApi.Readers](https://github.com/Microsoft/OpenAPI.NET) from 1.6.11 to 1.6.13.
- [Release notes](https://github.com/Microsoft/OpenAPI.NET/releases)
- [Commits](microsoft/OpenAPI.NET@1.6.11...1.6.13)

---
updated-dependencies:
- dependency-name: Microsoft.OpenApi.Readers
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Directory.Packages.props

@@ -15,7 +15,7 @@
 		<PackageVersion Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
 		<PackageVersion Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
 		<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-		<PackageVersion Include="Microsoft.OpenApi.Readers" Version="1.6.11" />
+		<PackageVersion Include="Microsoft.OpenApi.Readers" Version="1.6.13" />
 		<PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
 		<PackageVersion Include="MinVer" Version="4.3.0" />
 		<PackageVersion Include="PolySharp" Version="1.14.1" />