Update requests-aws4auth to 1.3.1

[pyup-bot]

This PR updates requests-aws4auth from 1.0.1 to 1.3.1.

Changelog

1.3.1

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**Changes**

- explicitly set python requirement to 3.7.

1.3.0

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**Changes**

- test against 3.12. Currently supporting 3.8-3.12.
- add nonstandard port test, 68. Thanks phillipberndt.
- remove `six` and support for any python before 3.7, 73. Thanks hugovk.

1.2.3

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**Changes**

- Add manifest file so tarball installs succeed, 66. Thanks jantman.

1.2.2

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**Bugfixes**

- The 1.2.0/1.2.1 releases had a regression error. The fix of 63 has been reverted.

1.2.1

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**Bugfixes**

- Actually fix 34. Build 1.2.0 was not fully released.

1.2.0

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**Bugfixes**

- Fix 34, port numbers on header, with 63. Thanks phillipberndt.

**Changes**

- test against 3.10. Currently supporting 3.8-3.10.
- small fixup to flake8 config

1.1.2

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**Changes**

- don't install markdown files, and especially not outside of our lib dir, see 51. Thanks benjaminp.
- prevent unquoting of query string reserved characters, see 60. Thanks mliarakos.
- Add support for files as request body, see see 58. Thanks USSRLivesOn.
- remove deprecated python 2.7 and python 3.5. Currently testing against 3.8 and 3.9.
- renamed main branch to 'main'

1.1.1

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**Bugfixes**

- secondary fix to query string ordering, documented in 49. It would fail with multiple values for the same key. Thanks martinamps.
- fix minor deprecation warning in a regex.

**Package changes**

- none

**Tests**

- Added tests for 49 secondary fix for string ordering.

1.1.0

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**New features**

- query string ordering has been fixed. Documented in 21, fixed in 23. Thanks zen4ever.
- test for spaces before calling shlex on them in `amz_norm_whitespace`. shlex doesn't like to split whitespace on a string without whitespace, taking several orders of magnitude longer to parse through it. 35, thanks noamkush.
- added `refreshable_credentials`, see 37, thanks teemuy.

**Package changes**

- Removed python2.7 support. Usage of py2.7 is not supported. `Requires-Python` will be set to py3.3+ in the next minor release.

**Tests**

- none

Links

• PyPI: https://pypi.org/project/requests-aws4auth
• Changelog: https://data.safetycli.com/changelogs/requests-aws4auth/
• Repo: https://github.com/tedder/requests-aws4auth/tarball/1.3.1