Update faker to 0.8.13

[pyup-bot]

This PR updates Faker from 0.8.12 to 0.8.13.

Changelog

0.8.13

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* Add ``no_NO`` bank provider. Thanks cloveras.
* Add ``ipv4_network_class``, ``ipv4_private``, ``ipv4_public`` providers. Thanks ZuluPro.
* Add ``address_class`` and ``private`` arguments to ``ipv4`` provider. Thanks ZuluPro.
* Add ``currency``, ``currency_name``, ``cryptocurrency``, ``cryptocurrency_code`` and ``cryptocurrency_name`` to currency provider. Thanks ZuluPro.
* Add automotive provider for ``de_DE``. Thanks gsilvan.
* Fix edgecases for Finnish ``ssn`` provider. Thanks sanga.
* Add job provider for ``pt_BR``. Thanks paladini.
* Add ``unix_device`` and ``unix_partition`` to ``file`` provider. Thanks ZuluPro.
* Add ``random_lowercase_letter`` and ``random_uppercase_letter`` to the base provider. Thanks ZuluPro.
* Clarify CLI help. Thanks confirmationbias616.

Links

• PyPI: https://pypi.org/project/faker
• Changelog: https://pyup.io/changelogs/faker/
• Repo: https://github.com/joke2k/faker

[coveralls]

Coverage remained the same at 99.096% when pulling fe12554 on pyup-update-faker-0.8.12-to-0.8.13 into 5d381f0 on master.