Add hybrid ML-KEM based groups to default TLS groups

Add hybrid ML-KEM based groups to default TLS groups

- send two key shares by default
- trim down the list of default groups

The default TLS group list setting is now:
?*X25519MLKEM768 / ?*X25519:?secp256r1 / ?X448:?secp384r1:?secp521r1 / ?ffdhe2048:?ffdhe3072

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Saša Nedvědický <sashan@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26801)