Change info across the board to -2023

ILSpy/Properties/AssemblyInfo.cs

@@ -17,7 +17,7 @@ using System.Runtime.Versioning;
 [assembly: AssemblyDescription(".NET assembly inspector and decompiler")]
 [assembly: AssemblyCompany("ic#code")]
 [assembly: AssemblyProduct("ILSpy")]
-[assembly: AssemblyCopyright("Copyright 2011-2022 AlphaSierraPapa for the SharpDevelop Team")]
+[assembly: AssemblyCopyright("Copyright 2011-2023 AlphaSierraPapa for the SharpDevelop Team")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 

doc/ILSpyAboutPage.txt

@@ -3,7 +3,7 @@ ILSpy is the open-source .NET assembly browser and decompiler.
 Website: https://ilspy.net/
 Found a bug? https://github.com/icsharpcode/ILSpy/issues/new/choose
 
-Copyright 2011-2022 AlphaSierraPapa for the ILSpy team
+Copyright 2011-2023 AlphaSierraPapa for the ILSpy team
 Current and past contributors: https://github.com/icsharpcode/ILSpy/graphs/contributors
 
 ILSpy is distributed under the MIT License.

doc/ILSpyAboutPage_zh_Hans.txt

@@ -4,7 +4,7 @@ ILSpy 是开源的 .NET 程序集浏览器和反编译器。
 反馈BUG: https://github.com/icsharpcode/ILSpy/issues/new/choose
 中文翻译反馈：https://github.com/maikebing/ILSpy/issues
 
-Copyright 2011-2022 AlphaSierraPapa for the ILSpy team
+Copyright 2011-2023 AlphaSierraPapa for the ILSpy team
 当前和过去的贡献者: https://github.com/icsharpcode/ILSpy/graphs/contributors
 
 ILSpy 基于 MIT 许可证发行。

doc/copyright.txt

@@ -1,4 +1,4 @@
-Copyright 2011-2022 for the ILSpy team
+Copyright 2011-2023 for the ILSpy team
 by
 
   AlphaSierraPapa, Christoph Wille

doc/license.txt

@@ -1,6 +1,6 @@
 MIT license
 
-Copyright (c) 2011-2022 AlphaSierraPapa for the ILSpy team
+Copyright (c) 2011-2023 AlphaSierraPapa for the ILSpy team
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this
 software and associated documentation files (the "Software"), to deal in the Software