ci: There is no need to checkout and install for deploy-to-pypi action

.github/workflows/default.yml

@@ -105,14 +105,6 @@ jobs:
       id-token: write
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-      - name: Install dependencies
-        run: |
-          python -m pip install -U pip setuptools wheel
       - name: Download distributions
         uses: actions/download-artifact@v4
         with: