Bump Microsoft.NET.Test.Sdk from 17.14.1 to 18.0.1

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: microsoft
...

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

Author: dependabot[bot]

tests/BHS.Web.Tests/BHS.Web.Tests.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
     <PackageReference Include="xunit.v3" Version="3.0.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.3">