Bump pyfakefs from 4.5.6 to 4.6.3

Bumps [pyfakefs](https://github.com/jmcgeheeiv/pyfakefs) from 4.5.6 to 4.6.3.
- [Release notes](https://github.com/jmcgeheeiv/pyfakefs/releases)
- [Changelog](https://github.com/jmcgeheeiv/pyfakefs/blob/master/CHANGES.md)
- [Commits](pytest-dev/pyfakefs@v4.5.6...v4.6.3)

---
updated-dependencies:
- dependency-name: pyfakefs
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Update history in preparation for release

Bump version: 0.1.0 → 0.1.1

Merge pull request #4 from haney/release_date

Fix release date.