gnulib-tool.py: Update authors list

[Bruno Haible]

This patch changes the './gnulib-tool.py --version' output to end like this:

  Written by Bruno Haible, Paul Eggert, Simon Josefsson, Dmitry Selyutin, and 
Collin Funk.

Also, in pygnulib/__init__.py, the authors list and copyright years need to
include the authors of the gnulib-tool shell script, since under copyright law,
a derived work inherits the history of the original work.


2024-04-19  Bruno Haible  <bruno@clisp.org>

        gnulib-tool.py: Update authors list.
        * pygnulib/constants.py (__author__): Add Collin Funk.
        * pygnulib/__init__.py (__copyright__, __author__): Include years and
        authors of the gnulib-tool shell script.

diff --git a/pygnulib/constants.py b/pygnulib/constants.py
index 81f9b660f7..0b6a606a01 100644
--- a/pygnulib/constants.py
+++ b/pygnulib/constants.py
@@ -40,6 +40,7 @@
         'Paul Eggert',
         'Simon Josefsson',
         'Dmitry Selyutin',
+        'Collin Funk',
     ]
 __license__ = 'GNU GPLv3+'
 __copyright__ = '2002-2024 Free Software Foundation, Inc.'
diff --git a/pygnulib/__init__.py b/pygnulib/__init__.py
index b9050a98ac..ff1f870681 100644
--- a/pygnulib/__init__.py
+++ b/pygnulib/__init__.py
@@ -30,6 +30,13 @@
 Texinfo), assorted configuration scripts, and more. The goal is to provide all
 the common infrastructure needed by GNU packages.'''
 
-__copyright__ = '2012-2024 Free Software Foundation, Inc.'
-__author__ = 'Dmitry Selyutin'
+__copyright__ = '2002-2024 Free Software Foundation, Inc.'
+__author__ = \
+    [
+        'Bruno Haible',
+        'Paul Eggert',
+        'Simon Josefsson',
+        'Dmitry Selyutin',
+        'Collin Funk',
+    ]
 __license__ = 'GNU GPLv3+'