[PATCH 1 of 1] CONF: make ssl_client_certificate optional with only tlsv1_3

Hi Nginx Devs *Testing done:* Ran nginx-tests. Got the same results with or without patch. *PATCH description:* As per RFC 8446 Section 4.2.4, server MAY (not SHOULD or MUST) send Certificate Authorities (CAs) in the Certificate Request packet. Today, Nginx makes the ssl_client_certificate direc

[PATCH 1 of 1] CONF: make ssl_client_certificate optional with only tlsv1_3

Hi Nginx Devs This is my first Nginx patch. So guide me, if mistakes are made while following the process. *Testing done:* Ran nginx-tests. Got the same results with or without patch. *PATCH description* is in commit logs. *Code doubts:* Currently I used [~NGX_SSL_TLSv1_3] to find if configured