Bump freezegun from 0.3.15 to 1.0.0
Bump freezegun from 0.3.15 to 1.0.0

Bumps [freezegun](https://github.com/spulec/freezegun) from 0.3.15 to 1.0.0.
- [Release notes](https://github.com/spulec/freezegun/releases)
- [Changelog](https://github.com/spulec/freezegun/blob/master/CHANGELOG)
- [Commits](https://github.com/spulec/freezegun/compare/0.3.15...1.0.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
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