chore(deps): bump Moq in /tests/serialization/form

Bumps [Moq](https://github.com/moq/moq) from 4.20.70 to 4.20.71.
- [Release notes](https://github.com/moq/moq/releases)
- [Changelog](https://github.com/devlooped/moq/blob/main/changelog.md)
- [Commits](moq/moq.spikes@v4.20.70...v4.20.71)

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

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

tests/serialization/form/Microsoft.Kiota.Serialization.Form.Tests.csproj

@@ -7,7 +7,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
     <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="17.11.0" />
-    <PackageReference Include="Moq" Version="4.20.70" />
+    <PackageReference Include="Moq" Version="4.20.71" />
     <PackageReference Include="xunit" Version="2.9.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>