MINOR: ssl: allow to disable certificate compression

MINOR: ssl: allow to disable certificate compression

This option allows to disable the certificate compression (RFC 8879)
using OpenSSL >= 3.2.0.

This feature is known to permit some denial of services by causing extra
memory allocations of approximately 22MiB and extra CPU work per
connection with OpenSSL versions affected by CVE-2025-66199.
( https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-66199 )

Setting this to "off" permits to mitigate the problem.

Must be backported to every stable branches.