[openssl/openssl] 6c8985: Add Tomas Mraz key to release key fingerprints

[Tomas Mraz]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.openssl.org/openssl/openssl
  Commit: 6c89858cc764cd5140814e9c69f6ac92bef89734
      https://github.openssl.org/openssl/openssl/commit/6c89858cc764cd5140814e9c69f6ac92bef89734
  Author: Tomas Mraz <tomas at openssl.org>
  Date:   2022-04-22 (Fri, 22 Apr 2022)

  Changed paths:
    M doc/fingerprints.txt

  Log Message:
  -----------
  Add Tomas Mraz key to release key fingerprints

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Richard Levitte <levitte at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18138)

(cherry picked from commit 2c0a944c69dc92cb280147997696cd88acd7b395)