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

Author: github-actions[bot]

Directory.Packages.props

@@ -14,7 +14,7 @@
         <PackageVersion Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
         <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
         <PackageVersion Include="Microsoft.Extensions.Options" Version="8.0.2" />
-        <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+        <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
         <PackageVersion Include="MongoDB.Driver" Version="3.5.0" />
         <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.13.1" />
         <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="8.0.1" />