Fix package version and security vulnerabilities

- Fixed Microsoft.AspNet.WebApi.Client: 6.0.2 (doesn't exist) → 6.0.0
- Added Microsoft.IdentityModel.JsonWebTokens 8.14.0 to fix GHSA-59j7-ghrg-fj52 vulnerability
- Added System.IdentityModel.Tokens.Jwt 8.14.0 to fix GHSA-59j7-ghrg-fj52 vulnerability

These explicit package references override the vulnerable 7.0.3 versions
that were coming in as transitive dependencies.

Author: claude

src/NosCore.Networking/NosCore.Networking.csproj

@@ -31,6 +31,8 @@
 		<PackageReference Include="DotNetty.Transport" Version="0.7.6" />
 		<PackageReference Include="NodaTime" Version="3.2.0" />
 		<PackageReference Include="NosCore.Packets" Version="15.0.0" />
+		<PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.14.0" />
+		<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.14.0" />
 	</ItemGroup>
 
 	<ItemGroup>

test/NosCore.Networking.Tests/NosCore.Networking.Tests.csproj

@@ -24,12 +24,14 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="6.0.2" />
+		<PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="6.0.0" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
 		<PackageReference Include="Moq" Version="4.20.72" />
 		<PackageReference Include="MSTest.TestAdapter" Version="4.0.2" />
 		<PackageReference Include="MSTest.TestFramework" Version="4.0.2" />
 		<PackageReference Include="NodaTime.Testing" Version="3.2.0" />
+		<PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.14.0" />
+		<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.14.0" />
 	</ItemGroup>
 
 	<ItemGroup>