[openssl/openssl] a6843e: Fix no-dtls1_2

[matt]

  Branch: refs/heads/master
  Home:   https://github.openssl.org/openssl/openssl
  Commit: a6843e6ae8ae0551aae8555783f06dab7951f112
      https://github.openssl.org/openssl/openssl/commit/a6843e6ae8ae0551aae8555783f06dab7951f112
  Author: Matt Caswell <matt at openssl.org>
  Date:   2022-07-25 (Mon, 25 Jul 2022)

  Changed paths:
    M test/dtlstest.c

  Log Message:
  -----------
  Fix no-dtls1_2

dtlstest.c needs some adjusting to handle no-dtls1_2 since commit
7bf2e4d7f0c banned DTLSv1 at the default security level - causing the
test to fail.

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Todd Short <todd.short at me.com>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18848)