fix: requirements.txt to reduce vulnerabilities

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

requirements.txt

@@ -3,6 +3,6 @@ instaloader == 4.9.5
 requests == 2.32.0
 colorama == 0.4.6
 rich == 12.6.0
-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
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
 pillow>=10.0.1 # not directly required, pinned by Snyk to avoid a vulnerability