[openssl/openssl] cae72e: prevent HPKE sender setting seq unwisely

[sftcd]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: cae72eefc3fbdd2f7a1a065f237bf3943619bca2
      https://github.com/openssl/openssl/commit/cae72eefc3fbdd2f7a1a065f237bf3943619bca2
  Author: Stephen Farrell <stephen.farrell at cs.tcd.ie>
  Date:   2022-12-08 (Thu, 08 Dec 2022)

  Changed paths:
    M crypto/hpke/hpke.c
    M doc/man3/OSSL_HPKE_CTX_new.pod
    M include/openssl/hpke.h
    M test/hpke_test.c

  Log Message:
  -----------
  prevent HPKE sender setting seq unwisely

Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19840)