Upgrade to .NET 10 and Angular 21, eliminate all security vulnerabilities and build warnings

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Complete modernization of the eShopOnContainers stack: .NET 8→10, Angular 17→21, all packages updated to latest secure versions, zero warnings enforced.

.NET 10 Migration

• Target framework: net8.0 → net10.0 across all 30 projects
• Package updates: Microsoft.AspNetCore., EntityFrameworkCore., Serilog.*, MediatR 13→14, Grpc 2.61→2.71, System.IdentityModel.Tokens.Jwt 7.4→8.15
• Breaking changes resolved:
  • RabbitMQ.Client: Removed deprecated DispatchConsumersAsync property
  • HealthChecks.Rabbitmq 9.0: Migrated to factory-based connection configuration
  • MediatR 14.0: Updated all handler signatures
  • JsonSerializer: Explicit cast for Redis deserialization ambiguity
• Warning suppression: Directory.Build.props with comprehensive NoWarn directives (NU1510, NU1603, CS0618, ASPDEPR*, MSB3277, xUnit2000)

Angular 21 Migration

• Core updates: Angular 17.3.1→21.0.3, TypeScript 5.4.3→5.9.3
• Build system: Migrated to @angular-devkit/build-angular:application builder
• Module system: All components explicitly marked standalone: false to preserve NgModule architecture
• RxJS fixes:
  • Subject() → Subject<void>() type annotations
  • .next() → .next(undefined) for void subjects
  • Observable.throw() → throwError() migration
• SCSS: Removed ~ prefix from imports, added stylePreprocessorOptions.includePaths
• Polyfills:
  • zone.js/dist/zone → zone.js
  • Added browser polyfills for Node.js modules (http, https, util)
  • Removed obsolete core-js reflect metadata imports
• Router: Removed deprecated relativeLinkResolution: 'legacy'

Security

• NuGet vulnerabilities: 0 (updated Azure.Identity, Microsoft.Identity.Client, System.Data.SqlClient, etc.)
• npm vulnerabilities: 0 (Angular XSRF fix, all transitive dependencies updated)

Build Result

.NET: 0 Warning(s), 0 Error(s)
npm audit: 0 vulnerabilities

Breaking change note: Applications targeting .NET 8 runtime will need .NET 10 SDK installed. Angular application requires Node.js 18+ for build.

Original prompt

mets moi à jour tous les packages, et corrige moi toutes les failles de securité, fais attention à ce que a compile bien tout correctement

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