Fix copyright years in README.rst (#31347)

Author: sobolevn

README.rst

@@ -14,7 +14,7 @@ This is Python version 3.11.0 alpha 5
    :target: https://discuss.python.org/
 
 
-Copyright © 2001-2021 Python Software Foundation.  All rights reserved.
+Copyright © 2001-2022 Python Software Foundation.  All rights reserved.
 
 See the end of this file for further copyright and license information.
 
@@ -244,7 +244,7 @@ Copyright and License Information
 ---------------------------------
 
 
-Copyright © 2001-2021 Python Software Foundation.  All rights reserved.
+Copyright © 2001-2022 Python Software Foundation.  All rights reserved.
 
 Copyright © 2000 BeOpen.com.  All rights reserved.