build(deps): bump expo from 48.0.16 to 48.0.19

Bumps [expo](https://github.com/expo/expo/tree/HEAD/packages/expo) from 48.0.16 to 48.0.19.
- [Changelog](https://github.com/expo/expo/blob/main/CHANGELOG.md)
- [Commits](https://github.com/expo/expo/commits/HEAD/packages/expo)

---
updated-dependencies:
- dependency-name: expo
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]