Update copyright year

Author: AndreyAkinshin

LICENSE.md

@@ -1,6 +1,6 @@
 ### The MIT License
 
-Copyright (c) 2013–2021 .NET Foundation and contributors
+Copyright (c) 2013–2023 .NET Foundation and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

docs/docfx.json

@@ -68,7 +68,7 @@
     "globalMetadata" :
     {
       "_appTitle" : "BenchmarkDotNet",
-      "_appFooter" : "Copyright © 2013–2021 .NET Foundation and contributors",
+      "_appFooter" : "Copyright © 2013–2023 .NET Foundation and contributors",
       "_appLogoPath" : "logo/icon.svg",
       "_appFaviconPath": "logo/icon-32.png",
       "_enableSearch": false