Update copyright for 2024

Reported-by: Michael Paquier

Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz

Backpatch-through: 12

src/backend/utils/mb/Unicode/Makefile

@@ -2,7 +2,7 @@
 #
 # Makefile for src/backend/utils/mb/Unicode
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/Makefile
 #

src/backend/utils/mb/Unicode/UCS_to_BIG5.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_BIG5.pl
 #

src/backend/utils/mb/Unicode/UCS_to_EUC_CN.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2007-2023, PostgreSQL Global Development Group
+# Copyright (c) 2007-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_GB18030.pl
 #

src/backend/utils/mb/Unicode/UCS_to_EUC_JIS_2004.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2007-2023, PostgreSQL Global Development Group
+# Copyright (c) 2007-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_EUC_JIS_2004.pl
 #

src/backend/utils/mb/Unicode/UCS_to_EUC_JP.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_EUC_JP.pl
 #

src/backend/utils/mb/Unicode/UCS_to_EUC_KR.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_EUC_KR.pl
 #

src/backend/utils/mb/Unicode/UCS_to_EUC_TW.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_EUC_TW.pl
 #

src/backend/utils/mb/Unicode/UCS_to_GB18030.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2007-2023, PostgreSQL Global Development Group
+# Copyright (c) 2007-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_GB18030.pl
 #

src/backend/utils/mb/Unicode/UCS_to_JOHAB.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_JOHAB.pl
 #

src/backend/utils/mb/Unicode/UCS_to_SHIFT_JIS_2004.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2007-2023, PostgreSQL Global Development Group
+# Copyright (c) 2007-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_SHIFT_JIS_2004.pl
 #

src/backend/utils/mb/Unicode/UCS_to_SJIS.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_SJIS.pl
 #

src/backend/utils/mb/Unicode/UCS_to_UHC.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2007-2023, PostgreSQL Global Development Group
+# Copyright (c) 2007-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_GB18030.pl
 #

src/backend/utils/mb/Unicode/UCS_to_most.pl

@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/UCS_to_most.pl
 #

src/backend/utils/mb/Unicode/convutils.pm

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2001-2023, PostgreSQL Global Development Group
+# Copyright (c) 2001-2024, PostgreSQL Global Development Group
 #
 # src/backend/utils/mb/Unicode/convutils.pm