Add deprecation mark for TouchActions and MultiAction

[KazuCocoa]

• https://github.com/appium/ruby_lib/blob/5683456f6c6f434d3fa1490a250d23acc3033729/lib/appium_lib/common/touch_actions.rb
• https://github.com/appium/ruby_lib/blob/5683456f6c6f434d3fa1490a250d23acc3033729/lib/appium_lib/common/multi_touch.rb

We also should prepare a migration guide to W3C actions.

[KazuCocoa]

appium/appium#16009

[KazuCocoa]

https://github.com/appium/ruby_lib/blob/master/docs/w3c.md