[openssl/openssl] 45d80b: CONTRIBUTING.md: add reference to util/check-forma...

[David von Oheimb]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: 45d80b47231984b9c9240438bd0325d614734ca3
      https://github.com/openssl/openssl/commit/45d80b47231984b9c9240438bd0325d614734ca3
  Author: Dr. David von Oheimb <dev at ddvo.net>
  Date:   2023-12-13 (Wed, 13 Dec 2023)

  Changed paths:
    M CONTRIBUTING.md

  Log Message:
  -----------
  CONTRIBUTING.md: add reference to util/check-format.pl and fix several nits

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Richard Levitte <levitte at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22911)

(cherry picked from commit 260d97229c467d17934ca3e2e0455b1b5c0994a6)