fix: requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-WERKZEUG-8309091
- https://snyk.io/vuln/SNYK-PYTHON-WERKZEUG-8309092

Author: snyk-bot

requirements.txt

@@ -2,7 +2,7 @@ setuptools>=62.0.0
 Flask==3.0.3
 flask-restx==1.3.0
 Flask-WTF==1.2.1
-Werkzeug==3.0.3
+Werkzeug==3.0.6
 rfc3339-validator==0.1.4
 numpy==1.26.4
 pandas==2.2.2