Update Microsoft.IdentityModel.JsonWebTokens fix vulnerability. (#9797)

* update the Microsoft.IdentityModel.JsonWebTokens

Author: lyndaidaii

src/NuGetGallery.Services/NuGetGallery.Services.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <Import Project="..\..\SdkProjects.props" />
 
@@ -66,6 +66,9 @@
     <PackageReference Include="Microsoft.AspNetCore.Cryptography.KeyDerivation">
       <Version>1.0.0</Version>
     </PackageReference>
+    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens">
+      <Version>7.3.1</Version>
+    </PackageReference>	  
     <PackageReference Include="Microsoft.Owin">
       <Version>4.2.2</Version>
     </PackageReference>