fix: miqa/learning/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-REQUESTS-6928867
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-7267250

miqa/learning/requirements.txt

@@ -9,6 +9,7 @@ scikit-learn
 wandb
 wheel>=0.38.0 # not directly required, pinned by Snyk to avoid a vulnerability
 werkzeug>=2.3.8 # not directly required, pinned by Snyk to avoid a vulnerability
-requests>=2.32.0 # not directly required, pinned by Snyk to avoid a vulnerability
+requests>=2.32.2 # not directly required, pinned by Snyk to avoid a vulnerability
 zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
 setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability