Bump requests from 2.25.1 to 2.31.0

Bumps [requests](https://github.com/psf/requests) from 2.25.1 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.25.1...v2.31.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/requirements.txt b/requirements.txt
index 63608db..249745b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@
 numpy==1.20.3

 pandas==1.2.4

 PyYAML==5.4.1

-requests==2.25.1

+requests==2.31.0

 scikit-learn==0.23.2

 scipy==1.6.3

 statsmodels==0.12.2