[openssl/tools] 589faa: Update README and README.md depending on which exists

[Tomáš Mráz]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/tools
  Commit: 589faa7757694a3900b5be76eb80f46a4d597cfe
      https://github.com/openssl/tools/commit/589faa7757694a3900b5be76eb80f46a4d597cfe
  Author: Tomas Mraz <tomas at openssl.org>
  Date:   2024-01-18 (Thu, 18 Jan 2024)

  Changed paths:
    M release-tools/do-copyright-year

  Log Message:
  -----------
  Update README and README.md depending on which exists

Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/tools/pull/166)