Bump NUnit.Analyzers from 4.4.0 to 4.6.0 in /RDMSharpTests (#45)

Bumps [NUnit.Analyzers](https://github.com/nunit/nunit.analyzers) from 4.4.0 to 4.6.0.
- [Release notes](https://github.com/nunit/nunit.analyzers/releases)
- [Changelog](https://github.com/nunit/nunit.analyzers/blob/master/CHANGES.md)
- [Commits](nunit/nunit.analyzers@4.4.0...4.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

RDMSharpTests/RDMSharpTests.csproj

@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="NUnit" Version="4.2.2" />
-    <PackageReference Include="NUnit.Analyzers" Version="4.4.0">
+    <PackageReference Include="NUnit.Analyzers" Version="4.6.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>