Update pip-audit.yml

Signed-off-by: Ry Jones <[email protected]>

Author: ryjones

.github/workflows/pip-audit.yml

@@ -12,5 +12,11 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: install
-        run: python -m pip install .
+        run: |
+          python -m venv env/
+          source env/bin/activate
+          python -m pip install .
       - uses: trailofbits/[email protected]
+        with:
+          virtual-environment: env/
+          local: true