Extended Master secret key is set to "No"

The haproxy.cfg has min support of TLS version 1.2 and a set of specific ciphers e.g. “ECDHE-RSA-AES256-GCM-SHA384” to be allowed for communication.

When i run the following command:
openssl s_client -connect <> | grep secret
depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
verify return:1
depth=1 C = countrycode, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1
verify return:1
depth=0 C = countrycode, ST = stateName, L = locationName, O = organizationname, CN = domainname
verify return:1
Extended master secret: no

Do we know where this setting is there in haproxy to enable this “Extended Master Secret” key to yes or is it something relevant to openssl.

This is not related to haproxy but openssl.