test: adapt tests for OpenSSL 3.1
From OpenSSL 3.1.0 protocols SSL 3, TLS 1.0, TLS 1.1, and DTLS 1.0 only work at security level 0. So if we still want to test it, we need to decrease security. https://www.openssl.org/news/openssl-3.1-notes.html
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
From OpenSSL 3.1.0 protocols SSL 3, TLS 1.0, TLS 1.1, and DTLS 1.0 only work at security level 0. So if we still want to test it, we need to decrease security. https://www.openssl.org/news/openssl-3.1-notes.html