[ruby/openssl] Update README and gemspec description
Reword the description in README for more clarity.
Add a compatibility matrix of our stable branches and explain the maintenance policy.
Remove the obsolete paragraph for how to use the gem in Ruby 2.3, which is no longer supported.
https://github.com/ruby/openssl/commit/7691034fcb
[ruby/openssl] Update README and gemspec description
Reword the description in README for more clarity.
Add a compatibility matrix of our stable branches and explain the
maintenance policy.
Remove the obsolete paragraph for how to use the gem in Ruby 2.3,
which is no longer supported.
https://github.com/ruby/openssl/commit/7691034fcb