Bump release-it from 20.2.1 to 21.0.0 (#313)

Bumps [release-it](https://github.com/release-it/release-it) from 20.2.1 to 21.0.0.
- [Release notes](https://github.com/release-it/release-it/releases)
- [Changelog](https://github.com/release-it/release-it/blob/main/CHANGELOG.md)
- [Commits](release-it/release-it@20.2.1...21.0.0)

---
updated-dependencies:
- dependency-name: release-it
  dependency-version: 21.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]