Updates for 2023. Happy New Year!

configure.ac

@@ -727,7 +727,7 @@ AC_SUBST([AM_CPPFLAGS])
 # We're done, let's go!
 # ----------------------------------------------------------------------
 
-AC_DEFINE_UNQUOTED([COPYRIGHT], ["(C) 2004-2019 Hisham Muhammad. (C) 2020-2022 htop dev team."], [Copyright message.])
+AC_DEFINE_UNQUOTED([COPYRIGHT], ["(C) 2004-2019 Hisham Muhammad. (C) 2020-2023 htop dev team."], [Copyright message.])
 
 AM_CONDITIONAL([HTOP_LINUX], [test "$my_htop_platform" = linux])
 AM_CONDITIONAL([HTOP_FREEBSD], [test "$my_htop_platform" = freebsd])

htop.1.in

@@ -1,4 +1,4 @@
-.TH "HTOP" "1" "2022" "@PACKAGE_STRING@" "User Commands"
+.TH "HTOP" "1" "2023" "@PACKAGE_STRING@" "User Commands"
 .SH "NAME"
 htop, pcp-htop \- interactive process viewer
 .SH "SYNOPSIS"
@@ -669,7 +669,7 @@ communities, and forms part of the Performance Co-Pilot suite of tools.
 .SH "COPYRIGHT"
 Copyright \(co 2004-2019 Hisham Muhammad.
 .br
-Copyright \(co 2020-2022 htop dev team.
+Copyright \(co 2020-2023 htop dev team.
 .LP
 License GPLv2+: GNU General Public License version 2 or, at your option, any later version.
 .LP

pcp-htop.5.in

@@ -1,4 +1,4 @@
-.TH "PCP-HTOP" "5" "2022" "@PACKAGE_STRING@" "File Formats"
+.TH "PCP-HTOP" "5" "2023" "@PACKAGE_STRING@" "File Formats"
 .SH "NAME"
 \f3pcp-htop\f1 \- pcp-htop configuration file
 .SH "DESCRIPTION"