Use a range of years for copyright in LICENSE
Documentation
Most copyright notices in cpython use a range of years.
| copyright, i.e., "Copyright © 2001-2023 Python Software Foundation; All Rights | |
| Reserved" are retained in Python |release| alone or in any derivative version | |
| prepared by Licensee. |
The LICENSE file is an exception.
| i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, | |
| 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Python Software Foundation; | |
| All Rights Reserved" are retained in Python alone or in any derivative version | |
| prepared by Licensee. |
Similar to how the README was simplified in #10287, the LICENSE should use a range of years for readability and consistency.