Bump the testing group with 1 update

Bumps the testing group with 1 update: [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest).

- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.3...v17.7.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

test/Tests.csproj

@@ -36,7 +36,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
     <PackageReference Include="Shouldly" Version="4.2.1" />
     <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="19.2.51" />
     <PackageReference Include="Verify.Xunit" Version="20.6.0" />