Bump Moq from 4.18.4 to 4.20.1

Bumps [Moq](https://github.com/moq/moq) from 4.18.4 to 4.20.1.
- [Release notes](https://github.com/moq/moq/releases)
- [Changelog](https://github.com/moq/moq/blob/main/CHANGELOG.md)
- [Commits](moq/moq.spikes@v4.18.4...v4.20.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Tests.props

@@ -18,7 +18,7 @@
     <PackageReference Include="xunit" Version="2.5.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" Condition="'$(TargetFramework)' == 'netcoreapp2.1'" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" Condition="'$(TargetFramework)' != 'netcoreapp2.1'" />
-    <PackageReference Include="Moq" Version="4.18.4" />
+    <PackageReference Include="Moq" Version="4.20.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="2.1.*" Condition="'$(TargetFramework)' == 'netcoreapp2.1' OR '$(TargetFramework)' == 'net48'" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="3.1.*" Condition="'$(TargetFramework)' == 'netcoreapp3.1'" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.*" Condition="'$(TargetFramework)' == 'net5.0'" />