[PrivacyBadger] Privacy Badger version 2020.6.29 released

[Alexei]

Privacy Badger 2020.6.29 has been released for all supported browsers.
As always, you can get it from https://privacybadger.org/ or from your
browser's add-on gallery.

Notable updates:

* Added replacement placeholder for Disqus comments widgets
* Fixed domain sliders on the options page not saving in some cases
* Fixed slider changes on the options page resetting the list of
domains, causing you to lose your place if you were scrolled down
* Fixed domain slider tooltip display
* Re-enabled custom tooltips in Firefox
* Fixed various site breakages
* Improved translations (Esperanto, Hebrew, Ukrainian)

For further details, consult our release notes on GitHub:
https://github.com/EFForg/privacybadger/releases/tag/release-2020.6.29