fix: requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-SETUPTOOLS-3180412
- https://snyk.io/vuln/SNYK-PYTHON-SETUPTOOLS-7448482
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-7267250
- https://snyk.io/vuln/SNYK-PYTHON-ZIPP-7430899

Author: snyk-bot

requirements.txt

@@ -43,3 +43,4 @@ ziggurat_foundations==0.9.1
 zope.interface>=4.7.2,<5
 zope.sqlalchemy==1.6
 zipp>=3.19.1
+setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability