build(deps-dev): bump freezegun from 1.2.1 to 1.2.2 (#30)

Bumps [freezegun](https://github.com/spulec/freezegun) from 1.2.1 to 1.2.2.
- [Release notes](https://github.com/spulec/freezegun/releases)
- [Changelog](https://github.com/spulec/freezegun/blob/master/CHANGELOG)
- [Commits](https://github.com/spulec/freezegun/commits)

---
updated-dependencies:
- dependency-name: freezegun
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]