Merge bitcoin#29222: doc: update Bitcoin Core license to 2024

1f8450f doc: upgrade Bitcoin Core license to 2024 (22388o⚡️)

Pull request description:

  See  bitcoin#26748.

  Cherry-picked these commits from 22388o and then squashed them.

ACKs for top commit:
  fanquake:
    ACK 1f8450f

Tree-SHA512: 6d12f24a6c7cd421f7d975d7e445de4583144a4d0902d4e68e7648395074ca804e3ee585b2d3f307d193690e2ed2f9fbd8e7938f8fb8af263888b8701993782a

Author: fanquake

COPYING

@@ -1,8 +1,8 @@
 The MIT License (MIT)
 
-Copyright (c) 2009-2025 The Bitcoin Core developers
-Copyright (c) 2009-2025 Bitcoin Developers
-Copyright (c) 2014-2025 The Dash Core developers
+Copyright (c) 2009-2024 The Bitcoin Core developers
+Copyright (c) 2009-2024 Bitcoin Developers
+Copyright (c) 2014-2024 The Dash Core developers
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

configure.ac

@@ -4,7 +4,7 @@ define(_CLIENT_VERSION_MAJOR, 23)
 define(_CLIENT_VERSION_MINOR, 0)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, false)
-define(_COPYRIGHT_YEAR, 2025)
+define(_COPYRIGHT_YEAR, 2024)
 define(_COPYRIGHT_HOLDERS,[The %s developers])
 define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Dash Core]])
 AC_INIT([Dash Core],m4_join([.], _CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MINOR, _CLIENT_VERSION_BUILD),[https://github.com/dashpay/dash/issues],[dashcore],[https://dash.org/])

contrib/debian/copyright

@@ -4,8 +4,8 @@ Upstream-Contact: Dash Core Group, Inc https://www.dash.org/dcg/
 Source: https://github.com/dashpay/dash
 
 Files: *
-Copyright: 2009-2025, Bitcoin Core Developers,
-           2019-2025, Dash Core Developers
+Copyright: 2009-2024, Bitcoin Core Developers,
+           2019-2024, Dash Core Developers
 License: Expat
 Comment: The Bitcoin Core Developers encompasses the current developers listed on bitcoin.org,
          as well as the numerous contributors to the project. The Dash Core Developers