chore(deps): bump estring from 0.2.0 to 0.2.1

Bumps [estring](https://github.com/pleshevskiy/estring) from 0.2.0 to 0.2.1.
- [Release notes](https://github.com/pleshevskiy/estring/releases)
- [Commits](https://github.com/pleshevskiy/estring/commits)

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

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