Update enc(1) examples to more recent ciphers and key derivation algorithms

Signed-off-by: Antoine Salon <asalon@vmware.com>

Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/7248)

(cherry picked from commit eadde90b)