openldap-clients: When TLSv1.3 only are set TLS connection does not work

Issue

• Issue 10094 - When TLSv1.3 only are set TLS connection does not work

Sample:

$ rpm -q openldap-clients
openldap-clients-2.6.6-3.el9.x86_64
$ cat /etc/openldap/ldap.conf
SASL_NOCANON    on
TLS_PROTOCOL_MIN 3.4
BASE dc=example,dc=com
TLS_REQCERT     never
TLS_CIPHER_SUITE TLS_AES_256_GCM_SHA384
$ ldapsearch -LLL -x -D "cn=Directory Manager" -w Password -H ldaps://ldapsrv.example.com/ -d1 2>&1 | tail -5
TLS: could not set cipher list TLS_AES_256_GCM_SHA384.
TLS: error:0A0000B9:SSL routines::no cipher match ssl/ssl_lib.c:3329
TLS: init_def_ctx: error:0A0000B9:SSL routines::no cipher match.
ldap_err2string
ldap_sasl_bind(SIMPLE): Can't contact LDAP server (-1)