Bump icedfrisby from 2.0.0-alpha.3 to 2.0.0-alpha.4 (#3073)

Bumps [icedfrisby](https://github.com/RobertHerhold/IcedFrisby) from 2.0.0-alpha.3 to 2.0.0-alpha.4.
- [Release notes](https://github.com/RobertHerhold/IcedFrisby/releases)
- [Changelog](https://github.com/IcedFrisby/IcedFrisby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/RobertHerhold/IcedFrisby/compare/2.0.0-alpha.3...2.0.0-alpha.4

)

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