[openssl/openssl] dfc4b6: Add a NEWS entry covering the FIPS related changes.

[Pauli]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: dfc4b6c93b99f6666cd958c5643a24bb6edff7b7
      https://github.com/openssl/openssl/commit/dfc4b6c93b99f6666cd958c5643a24bb6edff7b7
  Author: Pauli <pauli at openssl.org>
  Date:   2023-07-14 (Fri, 14 Jul 2023)

  Changed paths:
    M CHANGES.md
    M NEWS.md

  Log Message:
  -----------
  Add a NEWS entry covering the FIPS related changes.

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Todd Short <todd.short at me.com>
Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
(Merged from https://github.com/openssl/openssl/pull/21386)