chore(deps): update dependency microsoft.net.test.sdk to v18

Author: github-actions[bot]

src/tests/Workleap.OpenApi.MSBuild.Tests/Workleap.OpenApi.MSBuild.Tests.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="Meziantou.Framework.TemporaryDirectory" Version="1.0.20" />
     <PackageReference Include="Meziantou.Xunit.ParallelTestFramework" Version="2.3.0" />
     <PackageReference Include="Microsoft.Build.Framework" Version="17.10.46" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="YamlDotNet" Version="16.3.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">