Bump Microsoft.NET.Test.Sdk from 17.6.2 to 17.7.0 (#1550)

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.6.2 to 17.7.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.2...v17.7.0)

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

Refit.Tests/Refit.Tests.csproj

@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.msbuild" Version="6.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
     <PackageReference Include="xunit" Version="2.5.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />
     <PackageReference Include="System.Reactive" Version="6.0.0" />