Bump nunit from 4.0.1 to 4.1.0 in /UnitTests

Bumps [nunit](https://github.com/nunit/nunit) from 4.0.1 to 4.1.0.
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/master/CHANGES.md)
- [Commits](nunit/nunit@v4.0.1...4.1.0)

---
updated-dependencies:
- dependency-name: nunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

UnitTests/UnitTests.csproj

@@ -9,7 +9,7 @@
     <NoWarn>NUnit2045</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="nunit" Version="4.0.1" />
+    <PackageReference Include="nunit" Version="4.1.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="NUnit.Analyzers" Version="4.0.1" PrivateAssets="All" />