Bump Microsoft.NET.Test.Sdk from 17.2.0 to 17.3.0-preview-20220612-01

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.2.0 to 17.3.0-preview-20220612-01.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Commits](microsoft/vstest@v17.2.0...v17.3.0-preview-20220612-01)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.7.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.0-preview-20220612-01" />
     <PackageReference Include="Moq" Version="4.18.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="SharpYaml" Version="2.0.0" />