Bump requests from 2.21.0 to 2.31.0

Bumps [requests](https://github.com/psf/requests) from 2.21.0 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.21.0...v2.31.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -1 +1 @@
-requests==2.22.0
+requests==2.31.0

setup.py

@@ -11,6 +11,6 @@
       author_email='[email protected]',
       license='MIT',
       packages=['source'],
-      install_requires=['requests==2.21.0'],
+      install_requires=['requests==2.31.0'],
       python_requires=">=3",
       zip_safe=False)