Bumps [tzinfo-data](https://github.com/tzinfo/tzinfo-data) from 1.2020.1 to 1.2020.2.
- [Release notes](https://github.com/tzinfo/tzinfo-data/releases)
- [Commits](https://github.com/tzinfo/tzinfo-data/compare/v1.2020.1...v1.2020.2

)

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