Store the available versions in this repository

• Add support for Rubinius on ubuntu-latest (#5).

Add support for JRuby on Windows

v1.9.0

Add support for JRuby on Windows

Add Support for Ruby 2.3 on Windows

v1.8.0

Add support for Ruby 2.3 on Windows

Use the latest builds on Windows and validate versions

• Fixes #10
• Validate the versions available on Windows by having a list of versions and URLs from the RubyInstaller website.

Use a newer OpenSSL for Ruby 2.3

• Using OpenSSL 1.0.2u instead of OpenSSL 1.0.2q for Ruby 2.3 Ubuntu & macOS builds.
  See eregon/ruby-build#1 and rbenv/ruby-build#1397.

• Ruby >= 2.4 Ubuntu & macOS use the system OpenSSL.

Add TruffleRuby 19.3.1

v1.5.0

Add TruffleRuby 19.3.1

Support all Ruby versions between 2.3.0 and 2.7.0

That's 33 versions in total.

Read from .ruby-version if no version is set

Implements #4.

Add support for Windows

v1.2.0

Better error if MSYS2 is missing

Support short version syntax

Implements #1