Bump Moq from 4.20.2 to 4.20.69

Bumps [Moq](https://github.com/moq/moq) from 4.20.2 to 4.20.69.
- [Release notes](https://github.com/moq/moq/releases)
- [Changelog](https://github.com/moq/moq/blob/main/CHANGELOG.md)
- [Commits](moq/moq.spikes@v4.20.2...v4.20.69)

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

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

test/RestSharp.Tests/RestSharp.Tests.csproj

@@ -1,6 +1,6 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <ItemGroup>
-    <PackageReference Include="Moq" Version="4.20.2" />
+    <PackageReference Include="Moq" Version="4.20.69" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="6.0.0" />
     <PackageReference Include="System.Net.Http.Json" Version="7.0.1" />
   </ItemGroup>