[3.10] Update copyright year in README (GH-100863) (GH-100865)

Co-authored-by: HARSHA VARDHAN <[email protected]>

Author: ned-deily

README.rst

@@ -247,14 +247,14 @@ See :pep:`619` for Python 3.10 release details.
 Copyright and License Information
 ---------------------------------
 
-Copyright (c) 2001-2022 Python Software Foundation.  All rights reserved.
+Copyright © 2001-2023 Python Software Foundation.  All rights reserved.
 
-Copyright (c) 2000 BeOpen.com.  All rights reserved.
+Copyright © 2000 BeOpen.com.  All rights reserved.
 
-Copyright (c) 1995-2001 Corporation for National Research Initiatives.  All
+Copyright © 1995-2001 Corporation for National Research Initiatives.  All
 rights reserved.
 
-Copyright (c) 1991-1995 Stichting Mathematisch Centrum.  All rights reserved.
+Copyright © 1991-1995 Stichting Mathematisch Centrum.  All rights reserved.
 
 See the `LICENSE <https://github.com/python/cpython/blob/master/LICENSE>`_ for
 information on the history of this software, terms & conditions for usage, and a