doc: update outdated section on TLSv1.3-PSK
Recent OpenSSL versions support PSKs with non-SHA-256 TLSv1.3 ciphers, e.g., TLS_AES_256_GCM_SHA384
.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Recent OpenSSL versions support PSKs with non-SHA-256 TLSv1.3 ciphers, e.g., TLS_AES_256_GCM_SHA384
.