[PrivacyBadger] Privacy Badger version 2018.4.23 released

[Alexei]

Privacy Badger 2018.4.23 has been released for all supported browsers.
As always, you can get it from https://www.eff.org/privacybadger
or from your browser's add-on gallery.

Notable updates:

* Fixed changes not being persisted for domains that appear after
scrolling the tracking domains list on the options page
* Improved tracking domains search on the options page
* Fixed "can't access dead object" errors in Firefox
* Fixed XML document rendering in Firefox
* Updated WebRTC protection checkbox to become disabled when the setting
is controlled by other extensions
* Fixed various site breakages
* Improved translations (Traditional Chinese, Czech, Danish, Esperanto,
French, German, Italian, Polish, Russian, Swedish, Turkish, Ukrainian)

For further details, consult our release notes on GitHub:
https://github.com/EFForg/privacybadger/releases/tag/release-2018.4.23