fix: req.txt to reduce vulnerabilities

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

req.txt

@@ -7,6 +7,6 @@ aiohttp>=3.9.2 # not directly required, pinned by Snyk to avoid a vulnerability
 fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
 pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability
-setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
+setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability
 werkzeug>=2.3.8 # not directly required, pinned by Snyk to avoid a vulnerability
 wheel>=0.38.0 # not directly required, pinned by Snyk to avoid a vulnerability