[openssl/general-policies] 6dd4fe: Update primary target version information

[Richard Levitte]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/general-policies
  Commit: 6dd4feab477e32c23eee2c2264bbf100b5c1cc4a
      https://github.com/openssl/general-policies/commit/6dd4feab477e32c23eee2c2264bbf100b5c1cc4a
  Author: Richard Levitte <levitte at openssl.org>
  Date:   2023-03-02 (Thu, 02 Mar 2023)

  Changed paths:
    M policy-supplemental/platforms.md

  Log Message:
  -----------
  Update primary target version information

Some platform and toolchain versions weren't up to date, and quite a few
versions were over-specified.  Now updated, and aligned with the version
numbers that vendors themselves use as references, to the best of our
knowledge.