Prepare for release

Author: drfiemost

AUTHORS

@@ -3,7 +3,7 @@ to provide the best SID listening experience.
 
 Copyright (c) 2000 Simon White
 Copyright (c) 2007-2010 Antti Lankila
-Copyright (c) 2010-2023 Leandro Nini
+Copyright (c) 2010-2024 Leandro Nini
 
 This version of the freely available sidplayfp player source code
 contains the following contributed or derived work. In the order they first

README

@@ -8,7 +8,7 @@ to provide the best SID listening experience.
 
 Copyright (c) 2000 Simon White
 Copyright (c) 2007-2010 Antti Lankila
-Copyright (c) 2010-2023 Leandro Nini <drfiemost@users.sourceforge.net>
+Copyright (c) 2010-2024 Leandro Nini <drfiemost@users.sourceforge.net>
 
 
 stilview

configure.ac

@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([sidplayfp], [2.5.1], [], [], [https://github.com/libsidplayfp/sidplayfp/])
+AC_INIT([sidplayfp], [2.6.0], [], [], [https://github.com/libsidplayfp/sidplayfp/])
 AC_CONFIG_SRCDIR([src/main.cpp])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])

doc/en/sidplayfp.ini.pod

@@ -306,7 +306,7 @@ Wrote the original man page.
 
 =item Copyright (C) 2009-2015 VICE Project
 
-=item Copyright (C) 2010-2023 Leandro Nini
+=item Copyright (C) 2010-2024 Leandro Nini
 
 =back
 

doc/en/sidplayfp.pod

@@ -346,7 +346,7 @@ Wrote the original man page.
 
 =item Copyright (C) 2009-2015 VICE Project
 
-=item Copyright (C) 2010-2022 Leandro Nini
+=item Copyright (C) 2010-2024 Leandro Nini
 
 =back