Bump providers from e90caba to a479de9 (#2220)

Bumps [providers](https://github.com/Materials-Consortia/providers) from `e90caba` to `a479de9`.
- [Commits](Materials-Consortia/providers@e90caba...a479de9)

---
updated-dependencies:
- dependency-name: providers
  dependency-type: direct:production
...

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