Bump Microsoft.NET.Test.Sdk from 18.0.1 to 18.3.0

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tests/ExtendedThreading.UnitTests/ExtendedThreading.UnitTests.csproj

@@ -10,7 +10,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
 		<PackageReference Include="xunit.v3" Version="3.2.2" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
   		<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>