Regenerate gemspec for version 0.12.3
Regenerate gemspec for version 0.12.3

anthonywoo/sauce_ruby,anthonywoo/sauce_ruby,saucelabs/sauce_ruby,angelabier1/sauce_ruby,bootstraponline/sauce_ruby,angelabier1/sauce_ruby,angelabier1/sauce_ruby,bootstraponline/sauce_ruby,bootstraponline/sauce_ruby,DylanLacey/sauce_ruby,saucelabs/sauce_ruby,angelabier1/sauce_ruby,DylanLacey/sauce_ruby,bootstraponline/sauce_ruby