chore(deps): update ruby packages (#271)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docs/Gemfile

@@ -7,7 +7,7 @@ end
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
 # and associated library.
 platforms :mingw, :x64_mingw, :mswin, :jruby do
-  gem "tzinfo", "~> 2.0"
+  gem "tzinfo", "~> 1.0"
   gem "tzinfo-data"
 end