Bump Microsoft.NET.Test.Sdk from 16.9.1 to 16.9.4 (#300)

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 16.9.1 to 16.9.4.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Commits](microsoft/vstest@v16.9.1...v16.9.4)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

test/JwtValidationTests/JwtValidationTests.csproj

@@ -19,7 +19,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
         <PackageReference Include="xunit" Version="2.4.1" />
         <PackageReference Include="FluentAssertions" Version="5.10.2" />

test/OidcClient.Tests/OidcClient.Tests.csproj

@@ -21,7 +21,7 @@
   <ItemGroup>
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.9.0" />
 
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="FluentAssertions" Version="5.10.3" />