[ruby/openssl] ssl: prefer SSLContext#max_version= in tests
Avoid using the deprecated OpenSSL::SSL::SSLContext#ssl_version= outside the tests specifically written for it.
https://github.com/ruby/openssl/commit/93a564dec2
[ruby/openssl] ssl: prefer SSLContext#max_version= in tests
Avoid using the deprecated OpenSSL::SSL::SSLContext#ssl_version= outside
the tests specifically written for it.
https://github.com/ruby/openssl/commit/93a564dec2