Updated dependencies. (#1328)

* Updated dependencies.

* Reverted Microsoft.Bcl.AsyncInterfaces back to version 1.0.0.

Also added a note so we no longer try to upgrade it.

* Reverted back to Moq.

---------

Co-authored-by: Wojciech Nagórski <wojtpl2@gmail.com>

src/Renci.SshNet/Renci.SshNet.csproj

@@ -1,4 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
     <AssemblyName>Renci.SshNet</AssemblyName>
     <Product>SSH.NET</Product>
@@ -33,6 +34,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net462' or '$(TargetFramework)' == 'netstandard2.0' ">
+    <!-- Must be kept at version 1.0.0, see https://github.com/sshnet/SSH.NET/pull/1288 for details. -->
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="1.0.0" />
   </ItemGroup>
 
@@ -47,4 +49,4 @@
     </None>
   </ItemGroup>
 
-</Project>
+</Project>