Bump es-set-tostringtag from 2.0.3 to 2.1.0

Bumps [es-set-tostringtag](https://github.com/es-shims/es-set-tostringtag) from 2.0.3 to 2.1.0.
- [Changelog](https://github.com/es-shims/es-set-tostringtag/blob/main/CHANGELOG.md)
- [Commits](es-shims/es-set-tostringtag@v2.0.3...v2.1.0)

---
updated-dependencies:
- dependency-name: es-set-tostringtag
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>