Bump Moq from 4.16.0 to 4.16.1 in /src/System.Device.Gpio.Tests (#1451)

Bumps [Moq](https://github.com/moq/moq4) from 4.16.0 to 4.16.1.
- [Release notes](https://github.com/moq/moq4/releases)
- [Changelog](https://github.com/moq/moq4/blob/main/CHANGELOG.md)
- [Commits](https://github.com/moq/moq4/compare/v4.16.0...v4.16.1)
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/System.Device.Gpio.Tests/System.Device.Gpio.Tests.csproj

@@ -5,7 +5,7 @@
     <IsPackable>false</IsPackable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Moq" Version="4.16.0" />
+    <PackageReference Include="Moq" Version="4.16.1" />
     <PackageReference Include="xunit.runner.utility" Version="2.4.1" />
   </ItemGroup>