[openssl/general-policies] 3e1fa5: S390x maintainer change

[Juergen Christ]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/general-policies
  Commit: 3e1fa5f23c504e59af22ff9ec00ea1235e993bac
      https://github.com/openssl/general-policies/commit/3e1fa5f23c504e59af22ff9ec00ea1235e993bac
  Author: Juergen Christ <jchrist at linux.ibm.com>
  Date:   2023-04-19 (Wed, 19 Apr 2023)

  Changed paths:
    M policy-supplemental/platforms.md

  Log Message:
  -----------
  S390x maintainer change

Holger is taking over.  Juergen stepping down.

Signed-off-by: Juergen Christ <jchrist at linux.ibm.com>