Bump System.Threading.Channels from 4.6.0 to 4.7.1

Bumps [System.Threading.Channels](https://github.com/dotnet/corefx) from 4.6.0 to 4.7.1.
- [Release notes](https://github.com/dotnet/corefx/releases)
- [Commits](https://github.com/dotnet/corefx/commits)

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

Author: dependabot-preview[bot]

Open.ChannelExtensions/Open.ChannelExtensions.csproj

@@ -30,7 +30,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="System.Threading.Channels" Version="4.6.0" />
+		<PackageReference Include="System.Threading.Channels" Version="4.7.1" />
 	</ItemGroup>
 
 	<ItemGroup>