Add Chrome/Safari versions for api.HTMLInputElement.search_event (#11755)
Add Chrome/Safari versions for api.HTMLInputElement.search_event (#11755)

This PR adds real values for Chrome and Safari for the `search_event` member of the `HTMLInputElement` API.  The data was copied from its event handler counterparts.

Set Safari to 2 based on https://github.com/mdn/browser-compat-data/pull/11755#issuecomment-905677809.
chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data