Use make package directly in run.yaml of python-tarball

Job is in ubuntu-focal. If use tox to do, the packages can
not be installed correctly.

Closes-bug: 2098440
Change-Id: I7ff4f3debafecc60af85750e9de18c44e58d5d33

playbooks/python-tarball/run.yaml

@@ -9,21 +9,19 @@
           bash $HOME/install.sh
           . $HOME/.nvm/nvm.sh
           # nodejs
-          NODE_VERSION=erbium
+          NODE_VERSION=gallium
           nvm install --lts=$NODE_VERSION
           nvm alias default lts/$NODE_VERSION
           nvm use default
           # yarn
           npm install -g yarn
-          # tox
-          pip3 install tox
 
     - name: Build tarball and wheel
       shell:
         executable: /bin/bash
         cmd: |
           . $HOME/.nvm/nvm.sh
-          $HOME/.local/bin/tox -e package
+          make package
       args:
         chdir: "src/{{ zuul.project.canonical_name }}"