Bump requests from 2.22.0 to 2.31.0 in /treeherder/client (#7701)

Bumps [requests](https://github.com/psf/requests) from 2.22.0 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@v2.22.0...v2.31.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Diff for: treeherder/client/setup.py

@@ -45,5 +45,5 @@ def find_version(*file_paths):
     license='MPL',
     packages=['thclient'],
     python_requires='>=3',
-    install_requires=['requests==2.22.0'],
+    install_requires=['requests==2.31.0'],
 )