private static String badCipherSuiteMessage(String cipher) {
        return "Attempted to configure TLS with a bad cipher suite (" + cipher + "). " +
               "Do not use any cipher suites listed in " +
               "https://datatracker.ietf.org/doc/html/rfc7540#appendix-A";
    }
Creates a {@link SslContext} with Armeria's defaults, enabling support for HTTP/2,
TLSv1.3 (if supported), and TLSv1.2.
core/src/main/java/com/linecorp/armeria/internal/common/util/SslContextUtil.java