set the right version range for System.IdentityModel.Tokes.Jwt in builder nuspec #1264

Author: msft-shahins

CSharp/Library/Microsoft.Bot.Builder.nuspec

@@ -27,7 +27,7 @@
       <dependency id="Microsoft.AspNet.WebAPI.Core" version="5.2.3" />
       <dependency id="Microsoft.Rest.ClientRuntime" version="2.3.2" />
       <dependency id="Newtonsoft.Json" version="8.0.3" />
-      <dependency id="System.IdentityModel.Tokens.Jwt" version="4.0.2.206221351" />
+      <dependency id="System.IdentityModel.Tokens.Jwt" version="[4.0.2.206221351,5.0)" />
       <dependency id="Microsoft.IdentityModel.Protocol.Extensions" version="1.0.2.206221351" />
     </dependencies>
   </metadata>

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

@@ -14,7 +14,7 @@
       <dependency id="Microsoft.AspNet.WebApi.Core" version="5.2.3" />
       <dependency id="Microsoft.Rest.ClientRuntime" version="2.3.2" />
       <dependency id="Newtonsoft.Json" version="8.0.3" />
-      <dependency id="System.IdentityModel.Tokens.Jwt" version="4.0.2.206221351" />
+      <dependency id="System.IdentityModel.Tokens.Jwt" version="[4.0.2.206221351,5.0)" />
       <dependency id="Microsoft.IdentityModel.Protocol.Extensions" version="1.0.2.206221351" />
     </dependencies>
   </metadata>