chore(deps): update dependency nlog to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
NLog (source)	5.5.0 -> 6.0.0

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Release Notes

NLog/NLog (NLog)

v6.0.0: NLog 6.0

Major changes

• Support AOT builds without build warnings.
• New FileTarget without ConcurrentWrites support, but still support KeepFileOpen (true/false).
• Moved old FileTarget into the new nuget-package NLog.Targets.ConcurrentFile.
• Created new nuget-package NLog.Targets.AtomicFile that supports ConcurrentWrites for NET8 on both Windows / Linux.
• Created new nuget-package NLog.Targets.GZipFile that uses GZipStream for writing directly to compressed files.
• Moved MailTarget into the new nuget-package NLog.Targets.Mail.
• Moved NetworkTarget into the new nuget-package NLog.Targets.Network.
• New GelfTarget introduced for the new nuget-package NLog.Targets.Network.
• New SyslogTarget introduced for the new nuget-package NLog.Targets.Network.
• Moved TraceTarget and NLogTraceListener into the new nuget-package NLog.Targets.Trace.
• Moved WebServiceTarget into the new nuget-package NLog.Targets.WebService
• Renamed ChainsawTarget to Log4JXmlTarget to match Log4JXmlEventLayout
• Removed dependency on System.Text.RegularExpressions and introduced new nuget-package NLog.RegEx.
• Removed dependency on System.Xml.XmlReader by implementing own internal basic XML-Parser.
• Added support for params ReadOnlySpan when using C# 13
• Skip LogEventInfo.Parameters-array-allocation when unable to defer message-template formatting.
• Updated NLog API with Nullable-support and introduced Layout.Empty
• Marked [RequiredParameter] as obsolete with Nullable-support, and instead validate options at initialization.

NLog v6.0 release notes: https://nlog-project.org/2025/04/29/nlog-6-0-major-changes.html

List of all NLog 6.0 Pull Requests

• Breaking Changes
• Breaking Behavior Changes
• Features
• Improvements
• Performance

Thanks to all contributers: @​ana1250, @​Pavan8374, @​smnsht, @​RomanSoloweow, @​wadebaird, @​hangy, @​lavige777, @​jokoyoski, @​saltukkos, @​nih0n, @​michaelplavnik, @​Aaronmsv, @​ShadowDancer, @​Orace, @​tvogel-nid, @​martinzding, @​kurnakovv, @​dance, @​JohnVerheij

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