[InterNetNews/inn] b17972: Update release process for major versions

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: b17972014f20b0a97ae14111b04e574d1ca79cdc
      https://github.com/InterNetNews/inn/commit/b17972014f20b0a97ae14111b04e574d1ca79cdc
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-07-10 (Sun, 10 Jul 2022)

  Changed paths:
    M doc/pod/hacking.pod

  Log Message:
  -----------
  Update release process for major versions

It's the first time it has been done in GitHub for a major version.

Also fix the name of a file whose name changed upstream (bio_dump.c in OpenSSL).