Updated to C# 12

AMWD.Common.AspNetCore/Extensions/HttpContextExtensions.cs

@@ -12,12 +12,12 @@ namespace Microsoft.AspNetCore.Http
 	public static class HttpContextExtensions
 	{
 		// Search these additional headers for a remote client ip address.
-		private static readonly string[] _defaultIpHeaderNames = new[]
-		{
+		private static readonly string[] _defaultIpHeaderNames =
+		[
 			"Cf-Connecting-Ip",  // set by Cloudflare
 			"X-Real-IP",         // wide-spread alternative to X-Forwarded-For
 			"X-Forwarded-For",   // commonly used on all known proxies
-		};
+		];
 
 		/// <summary>
 		/// Retrieves the antiforgery token.