Bump Microsoft.NET.Test.Sdk from 18.4.0 to 18.5.1

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/MockQueryable/MockQueryable.Sample/MockQueryable.Sample.csproj

@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="16.1.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="coverlet.msbuild" Version="10.0.0" PrivateAssets="All" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.1" />
     <PackageReference Include="NUnit" Version="4.5.1" />