Bump Microsoft.NET.Test.Sdk from 17.3.2 to 17.4.0

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.3.2 to 17.4.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Commits](microsoft/vstest@v17.3.2...v17.4.0)

---
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]>

Author: dependabot[bot]

tests/Serilog.Formatting.Log4Net.Tests.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.msbuild" Version="3.2.0" PrivateAssets="all" />
     <PackageReference Include="FluentAssertions" Version="6.8.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
     <PackageReference Include="PublicApiGenerator" Version="10.3.0" />
     <PackageReference Include="ReportGenerator" Version="5.1.10" PrivateAssets="all" />
     <PackageReference Include="Serilog" Version="2.12.0" />