Update .NET SDK and package dependencies

[devlead]

Updates the .NET SDK from version 9.0.300 to 9.0.302 and upgrades several NuGet packages to their latest versions:

• Microsoft.Extensions.DependencyInjection: 9.0.5 → 9.0.7
• Microsoft.IdentityModel.JsonWebTokens: 8.12.0 → 8.12.1
• System.Collections.Immutable: 9.0.5 → 9.0.7
• System.Reflection.Metadata: 9.0.5 → 9.0.7
• Verify.XunitV3: 30.3.1 → 30.4.0
• xunit.v3 packages: 2.0.2 → 2.0.3
• xunit.runner.visualstudio: 3.1.0 → 3.1.1
• System.Security.Cryptography.Pkcs: 9.0.5 → 9.0.7