chore: تنظیم Nexus برای NuGet و Docker offline

- Dockerfile: استفاده از Nexus Docker (194.5.195.53:32082)
- NuGet.config: استفاده از Nexus NuGet با HTTP و allowInsecureConnections
- workflow: حذف kubectl dependency، اضافه کردن 32082 به insecure-registries
- csproj: تغییر push آدرس به Nexus foursat-nuget-hosted

src/CMSMicroservice.Protobuf/CMSMicroservice.Protobuf.csproj

@@ -66,7 +66,7 @@
   <Target Name="PushToFoursatNuget" AfterTargets="Pack">
     <PropertyGroup>
       <NugetPackagePath>$(PackageOutputPath)$(PackageId).$(Version).nupkg</NugetPackagePath>
-      <PushCommand>dotnet nuget push **/*.nupkg --source https://git.afrino.co/api/packages/FourSat/nuget/index.json --api-key 061a5cb15517c6da39c16cfce8556c55ae104d0d --skip-duplicate </PushCommand>
+      <PushCommand>dotnet nuget push **/*.nupkg --source http://194.5.195.53:32081/repository/foursat-nuget-hosted/index.json --api-key admin:87zH26nbqT --skip-duplicate </PushCommand>
     </PropertyGroup>
 
     <Exec Command="$(PushCommand)" />