fix: requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-WERKZEUG-6808933

requirements.txt

@@ -12,3 +12,4 @@ pyshark==0.5.3
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
 pydantic==1.10.6
 dash==2.8.1
+werkzeug>=3.0.3 # not directly required, pinned by Snyk to avoid a vulnerability