Prefpicker

What's Changed
* ci: prevent changelog from being generated by pyoor in https://github.com/MozillaSecurity/prefpicker/pull/64
* feat: enable layout.css.overflow-clip-box.enabled by pyoor in https://github.com/MozillaSecurity/prefpicker/pull/65


**Full Changelog**: https://github.com/MozillaSecurity/prefpicker/compare/1.3.0...1.4.0

What's Changed
* Add svg.context-properties.content.enabled


**Full Changelog**: https://github.com/MozillaSecurity/prefpicker/compare/1.1.4...1.2.1

What's Changed
* Add numerous prefs required to enable select css properties


**Full Changelog**: https://github.com/MozillaSecurity/prefpicker/compare/1.1.3...1.1.4

What's Changed
* Added a11y variant
* Added layout.css.named-pages.enabled


**Full Changelog**: https://github.com/MozillaSecurity/prefpicker/compare/1.1.2...1.1.3

- [Add pref dom.fs.enabled](https://github.com/MozillaSecurity/prefpicker/commit/1a995c1f8ed9deb7c6afb0862c2f230dfa36568d)

- [Remove pref gfx.e10s.font-list.shared](https://github.com/MozillaSecurity/prefpicker/commit/521534388115d0d8a4821711f319e4b8344b23ab)
- [Enable pref layout.css.container-queries.enabled](https://github.com/MozillaSecurity/prefpicker/commit/ccfdf39cc19de21695c7dfb81735762ca55cfb36)
- [Remove pref dom.min_background_timeout_value](https://github.com/MozillaSecurity/prefpicker/commit/310e53d20e19a64d595b409e983ce08bffb63e1e)