chore(deps): bump Microsoft.OpenApi.ApiManifest and SharpYaml

Bumps [Microsoft.OpenApi.ApiManifest](https://github.com/Microsoft/OpenApi.ApiManifest) and [SharpYaml](https://github.com/xoofx/SharpYaml). These dependencies needed to be updated together.

Updates `Microsoft.OpenApi.ApiManifest` from 2.0.0-preview3 to 2.0.0-preview4
- [Release notes](https://github.com/Microsoft/OpenApi.ApiManifest/releases)
- [Changelog](https://github.com/microsoft/OpenApi.ApiManifest/blob/main/CHANGELOG.md)
- [Commits](microsoft/OpenApi.ApiManifest@v2.0.0-preview3...v2.0.0-preview4)

Updates `SharpYaml` from 2.1.1 to 2.1.1
- [Release notes](https://github.com/xoofx/SharpYaml/releases)
- [Changelog](https://github.com/xoofx/SharpYaml/blob/master/changelog.md)
- [Commits](xoofx/SharpYaml@2.1.1...2.1.1)

---
updated-dependencies:
- dependency-name: Microsoft.OpenApi.ApiManifest
  dependency-version: 2.0.0-preview4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: SharpYaml
  dependency-version: 2.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Microsoft.OpenApi.Hidi/Microsoft.OpenApi.Hidi.csproj

@@ -39,7 +39,7 @@
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageReference Include="Microsoft.OData.Edm" Version="8.2.3" />
     <PackageReference Include="Microsoft.OpenApi.OData" Version="2.0.0-preview.12" />
-    <PackageReference Include="Microsoft.OpenApi.ApiManifest" Version="2.0.0-preview3" />
+    <PackageReference Include="Microsoft.OpenApi.ApiManifest" Version="2.0.0-preview4" />
     <PackageReference Include="System.CommandLine.Hosting" Version="0.4.0-alpha.22272.1" />
   </ItemGroup>