Fix venv package name

.github/workflows/entrypoint_nightly.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           python-version: "3.10"
       - name: Install requirements
-        run: python -m pip install --user build venv
+        run: python -m pip install --user build virtualenv
       - name: Cleaning
         run : python setup.py clean
       - name: Build Exegol