Add jruby-9.3.3.0

v1.94.0

Add jruby-9.3.3.0

Add a new input to optionally update RubyGems

See #271, #228

Add support for ucrt on Windows & support windows-2022 image

• #224

Add Ruby 3.1 on Windows (experimental)

v1.91.0

Try 'gem install --force bundler' on 3.1 Windows

Add Ruby 3.1.0 on LInux & macOS

v1.90.0

Remove 2.5 from example as it is EOL

Add JRuby 9.2.20.1 and 9.3.2.0

v1.89.0

Add JRuby 9.2.20.1 and 9.3.2.0

Add 2.6.9, 2.7.5 and 3.0.3 on Windows

• Updating actions/cache to 1.0.8 #236

Add Ruby 2.6.9, 2.7.5 and 3.0.3

v1.87.0

Also add 2.6.9 and 2.7.5

Add Ruby 3.1.0-preview1

v1.86.0

Test 3.1 too

Add JRuby 9.2.20.0

v1.85.0

Add JRuby 9.2.20.0