[CI] Upgrade setuptools

Author: ekilmer

.github/workflows/pip-audit.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: "3.10"
     - name: Install Manticore
       run: |
-        python -m pip install --upgrade pip
+        python -m pip install --upgrade pip setuptools
         python -m pip install .
     - name: Run pip-audit
       uses: pypa/[email protected]