Bump pytz from 2019.3 to 2021.1 (#113)
Bump pytz from 2019.3 to 2021.1 (#113)

Bumps [pytz](https://github.com/stub42/pytz) from 2019.3 to 2021.1.
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](https://github.com/stub42/pytz/compare/release_2019.3...release_2021.1)

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
kz26/PyExcelerate