fix: requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-SETUPTOOLS-9964606

Author: snyk-bot

requirements.txt

@@ -59,3 +59,4 @@ opencv-python>=4.6.0.66
 seaborn==0.11.2
 thop==0.1.1.post2207130030
 requests==2.32.2
+setuptools>=78.1.1 # not directly required, pinned by Snyk to avoid a vulnerability