fix: requirements/local.txt to reduce vulnerabilities

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

requirements/local.txt

@@ -29,4 +29,4 @@ django-extensions==3.2.1  # https://github.com/django-extensions/django-extensio
 django-coverage-plugin==2.0.4  # https://github.com/nedbat/django_coverage_plugin
 pytest-django==4.5.2  # https://github.com/pytest-dev/pytest-django
 pygments>=2.7.4 # 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