chore(deps): update dependency microsoft.net.test.sdk to v18 (#102)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

tests/Function.SDK.CSharp.Sample.Tests/Function.SDK.CSharp.Sample.Tests.csproj

@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Grpc.Core.Testing" Version="2.46.6" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.0.4" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />

tests/Function.SDK.CSharp.Tests/Function.SDK.CSharp.Tests.csproj

@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Grpc.Core.Testing" Version="2.46.6" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.0.4" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />