fix: requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-REQUESTS-6928867

requirements.txt

@@ -37,7 +37,7 @@ python-dateutil==2.8.2
 pytz>=2022.7
 qrcode==7.3.1
 redis==4.5.4
-requests==2.31.0
+requests==2.32.0
 responses==0.22.0
 s3-tar==0.1.13
 setuptools>=65.5.1 # Not a direct dependency, pinned to get a security fix