Bump Microsoft.NET.Test.Sdk from 18.3.0 to 18.4.0 (#229)

Updated [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest)
from 18.3.0 to 18.4.0.

<details>
<summary>Release notes</summary>

_Sourced from [Microsoft.NET.Test.Sdk's
releases](https://github.com/microsoft/vstest/releases)._

## 18.4.0

## What's Changed
* Add LoongArch64 support by @​stdmnpkg in
microsoft/vstest#15359

* Refactor Condition evaluation by @​Youssef1313 in
microsoft/vstest#15357
* Adding info on extensions points part 1 by @​nohwnd in
microsoft/vstest#15360
* Add option to ask for uploading code QL before the standard window
ends by @​nohwnd in microsoft/vstest#15373
* Update runtime versions by @​nohwnd in
microsoft/vstest#15372
* Fix .NET 10 regression for traits by @​Youssef1313 in
microsoft/vstest#15370
* Update target frameworks to net10.0 and net11.0 by
@​dotnet-maestro[bot] in microsoft/vstest#15349
* Fix names in pipeline matrix so we don't have to align them by
@​nohwnd in microsoft/vstest#15365
* Update SECURITY.md by @​Youssef1313 in
microsoft/vstest#15342

## New Contributors
* @​stdmnpkg made their first contribution in
microsoft/vstest#15359

**Full Changelog**:
microsoft/vstest@v18.3.0...v18.4.0

Commits viewable in [compare
view](microsoft/vstest@v18.3.0...v18.4.0).
</details>

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tests/PolylineAlgorithm.Tests/PolylineAlgorithm.Tests.csproj

@@ -16,7 +16,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
 		<PackageReference Include="Microsoft.Testing.Extensions.VSTestBridge" Version="2.1.0" />
 		<PackageReference Include="MSTest" Version="4.1.0" />
 		<PackageReference Include="Microsoft.Testing.Platform.MSBuild" Version="2.1.0" />