chore(deps): bump requests-aws4auth in /monitoring_flask_backend

Bumps [requests-aws4auth](https://github.com/tedder/requests-aws4auth) from 1.2.3 to 1.3.1.
- [Release notes](https://github.com/tedder/requests-aws4auth/releases)
- [Changelog](https://github.com/tedder/requests-aws4auth/blob/main/HISTORY.md)
- [Commits](tedder/requests-aws4auth@v1.2.3...v1.3.1)

---
updated-dependencies:
- dependency-name: requests-aws4auth
  dependency-version: 1.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

monitoring_flask_backend/requirements.txt

@@ -4,6 +4,6 @@ python-dateutil==2.8.2
 gunicorn==23.0.0
 requests==2.32.4
 pytest==8.3.4
-requests-aws4auth==1.2.3
+requests-aws4auth==1.3.1
 boto3==1.34.69
 psycopg2-binary==2.9.9