Merge bitcoin/bitcoin#34174: doc: update copyright year to 2026

b23b901363 doc: update copyright year (fanquake)

Pull request description:

  Bump in the places that need bumping.

ACKs for top commit:
  fjahr:
    ACK b23b901363
  maflcko:
    lgtm ACK b23b901363
  pinheadmz:
    ACK b23b901363
  janb84:
    LGTM ACK b23b901363

Tree-SHA512: 25a546a060447a5ad37f8cc2e1d8e85420a1e38980fb09124170112ccbd1a311c9e99f31e712575b5d4f5d45524b2e2de15122e7021f3eb68c9d0dce534a37c9

CMakeLists.txt

@@ -32,7 +32,7 @@ set(CLIENT_VERSION_MINOR 99)
 set(CLIENT_VERSION_BUILD 0)
 set(CLIENT_VERSION_RC 0)
 set(CLIENT_VERSION_IS_RELEASE "false")
-set(COPYRIGHT_YEAR "2025")
+set(COPYRIGHT_YEAR "2026")
 
 # During the enabling of the CXX and CXXOBJ languages, we modify
 # CMake's compiler/linker invocation strings by appending the content

COPYING

@@ -1,7 +1,7 @@
 The MIT License (MIT)
 
-Copyright (c) 2009-2025 The Bitcoin Core developers
-Copyright (c) 2009-2025 Bitcoin Developers
+Copyright (c) 2009-2026 The Bitcoin Core developers
+Copyright (c) 2009-2026 Bitcoin 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

contrib/debian/copyright

@@ -5,7 +5,7 @@ Upstream-Contact: Satoshi Nakamoto <satoshin@gmx.com>
 Source: https://github.com/bitcoin/bitcoin
 
 Files: *
-Copyright: 2009-2025, Bitcoin Core Developers
+Copyright: 2009-2026, Bitcoin Core Developers
 License: Expat
 Comment: The Bitcoin Core Developers encompasses all contributors to the
          project, listed in the release notes or the git log.