Bump requests from 2.27.1 to 2.31.0 in /scripts/data_collector/br_index

Bumps [requests](https://github.com/psf/requests) from 2.27.1 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/v2.27.1...v2.31.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

scripts/data_collector/br_index/requirements.txt

@@ -19,7 +19,7 @@ pyOpenSSL==22.0.0
 PySocks==1.7.1
 python-dateutil==2.8.2
 pytz==2021.3
-requests==2.27.1
+requests==2.31.0
 requests-futures==1.0.0
 six==1.16.0
 sniffio==1.2.0