Bump the microsoft-openapi group with 2 updates (#2973)

* Bump the microsoft-openapi group with 2 updates

Bumps the microsoft-openapi group with 2 updates: [Microsoft.OpenApi](https://github.com/Microsoft/OpenAPI.NET) and [Microsoft.OpenApi.Readers](https://github.com/Microsoft/OpenAPI.NET).


Updates `Microsoft.OpenApi` from 1.6.22 to 1.6.23
- [Release notes](https://github.com/Microsoft/OpenAPI.NET/releases)
- [Commits](microsoft/OpenAPI.NET@1.6.22...1.6.23)

Updates `Microsoft.OpenApi.Readers` from 1.6.22 to 1.6.23
- [Release notes](https://github.com/Microsoft/OpenAPI.NET/releases)
- [Commits](microsoft/OpenAPI.NET@1.6.22...1.6.23)

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

Signed-off-by: dependabot[bot] <[email protected]>

* Update snapshot

Bump version in snapshot.

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: martincostello <[email protected]>

Directory.Packages.props

@@ -36,8 +36,8 @@
     <PackageVersion Include="Microsoft.Extensions.Http.Resilience" Version="9.0.0" />
     <PackageVersion Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.3.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageVersion Include="Microsoft.OpenApi" Version="1.6.22" />
-    <PackageVersion Include="Microsoft.OpenApi.Readers" Version="1.6.22" />
+    <PackageVersion Include="Microsoft.OpenApi" Version="1.6.23" />
+    <PackageVersion Include="Microsoft.OpenApi.Readers" Version="1.6.23" />
     <PackageVersion Include="Microsoft.Playwright" Version="1.49.0" />
     <PackageVersion Include="Microsoft.TypeScript.MSBuild" Version="5.7.1" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />

tests/LondonTravel.Site.Tests/Integration/ApiTests.Schema_Is_Correct.verified.txt

@@ -1,5 +1,5 @@
 {
-  openapi: 3.0.1,
+  openapi: 3.0.4,
   info: {
     title: London Travel,
     description: London Travel is an Amazon Alexa skill for checking the status for travel in London.,