modify nuget file

Author: lidingbin

EZNEW.Web.nuspec

@@ -16,7 +16,7 @@
     <dependencies>
       <group targetFramework=".NETCoreApp3.0">
         <dependency id="IdentityModel" version="4.3.0" />
-        <dependency id="EZNEW" version="3.1.0" />
+        <dependency id="EZNEW" version="3.1.3" />
       </group>
       <group targetFramework=".NETStandard2.0">
         <dependency id="Microsoft.AspNetCore" version="2.2.0" />