Update colorama to 0.4.5

[pyup-bot]

This PR updates colorama from 0.3.7 to 0.4.5.

Changelog

0.4.5

* Catch a racy ValueError that could occur on exit.
* Create README-hacking.md, for Colorama contributors.
* Tweak some README unicode characters that don't render correctly on PyPI.
* Fix some tests that were failing on some operating systems.
* Add support for Python 3.9.
* Add support for PyPy3.
* Add support for pickling with the ``dill`` module.

0.4.4

* Re-org of README, to put the most insteresting parts near the top.
* Added Linux makefile targets and Windows powershell scripts to
 automate bootstrapping a development environment, and automate the
 process of testing wheels before they are uploaded to PyPI.
* Use stdlib unittest.mock where available
* Travis CI now also builds on arm64
* Demo06 demonstrates existing cursor positioning feature
* Fix OSC regex & handling to prevent hang or crash
* Document enterprise support by Tidelift

0.4.3

* Fix release 0.4.2 which was uploaded with missing files.

0.4.2

* 228: Drop support for EOL Python 3.4, and add 3.7 and 3.8.
 Thanks to hugovk.
* Several additions and fixes to documentation and metadata.
* Added Tidelift subscription information.

0.4.1

* Fix issue 196: prevent exponential number of calls when calling 'init'
 multiple times. Reported by bbayles and fixed by Delgan.

0.4.0

* Fix issue 142: reset LIGHT_EX colors with RESET_ALL. Reported by Delgan
* Fix issue 147: ignore invalid "erase" ANSI codes. Reported by shin-
* Fix issues 163 and 164: fix stream wrapping under PyCharm. Contributed
 by veleek and Delgan.
* Thanks to jdufresne for various code cleanup and updates to documentation
 and project metadata.
 (pull requests 171, 172, 173, 174, 176, 177, 189, 190, 192)
* 186: added contextlib magic methods to ansitowin32.StreamWrapper.
 Contributed by hoefling.
* Fix issue 131: don't cache stdio handles, since they might be
 closed/changed by fd redirection. This fixes an issue with pytest.
 Contributed by segevfiner.
* 146, 157: Drop support for EOL Python 2.5, 2.6, 3.1, 3.2 and 3.3,
 and add 3.6. Thanks to hugovk.

0.3.9

* Revert fix for issue 103 which causes problems for dependent applications

0.3.8

* Fix issue 121: "invalid escape sequence" deprecation fixes on Python 3.6+
* Fix issue 110: fix "set console title" when working with unicode strings
* Fix issue 103: enable color when using "input" function on Python 3.5+
* Fix issue 95: enable color when stderr is a tty but stdout is not

Links

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