Update enum-iterator requirement from 1.4 to 2.0
Updates the requirements on [enum-iterator](https://github.com/stephaneyfx/enum-iterator) to permit the latest version.
- [Commits](https://github.com/stephaneyfx/enum-iterator/compare/1.4.0...2.0.0)
---
updated-dependencies:
- dependency-name: enum-iterator
dependency-type: direct:production
...
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