fix version ref

Author: Tom Laird-McConnell

CSharp/Library/Microsoft.Bot.Connector.AspNetCore/Microsoft.Bot.Connector.AspNetCore.nuspec

@@ -22,7 +22,7 @@
         <dependency id="Newtonsoft.Json" version="9.0.1" />
         <dependency id="System.IdentityModel.Tokens.Jwt" version="5.1.4" />
         <dependency id="Microsoft.AspNetCore.Mvc.Core" version="1.1.4" />
-        <dependency id="Microsoft.Bot.Connector" version="$version$" />
+        <dependency id="Microsoft.Bot.Connector" version="3.16.1" />
       </group>
     </dependencies>
   </metadata>

CSharp/Library/Microsoft.Bot.Connector.AspNetCore2/Microsoft.Bot.Connector.AspNetCore2.nuspec

@@ -19,7 +19,7 @@
         <dependency id="Microsoft.AspNetCore.Authentication.JwtBearer" version="2.0.0" />
         <dependency id="Microsoft.AspNetCore.Mvc" version="2.0.0" />
         <dependency id="Microsoft.Rest.ClientRuntime" version="2.3.10" />
-        <dependency id="Microsoft.Bot.Connector" version="$version$" />
+        <dependency id="Microsoft.Bot.Connector" version="3.16.1" />
       </group>
     </dependencies>
   </metadata>