upgrade mongo nuget package to 2.10.0, because 2.8.0 have bugs in .net core 3.0

src/Directory.Build.props

@@ -23,7 +23,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19351-01" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
   </ItemGroup>
 
 </Project>

src/DotNetCore.CAP.MongoDB/DotNetCore.CAP.MongoDB.csproj

@@ -16,8 +16,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="MongoDB.Bson" Version="2.8.0" />
-    <PackageReference Include="MongoDB.Driver" Version="2.8.0" />
+    <PackageReference Include="MongoDB.Bson" Version="2.10.0" />
+    <PackageReference Include="MongoDB.Driver" Version="2.10.0" />
   </ItemGroup>
 
 </Project>