Rely on setup python action to configure pinned pip version

.github/workflows/python-ci.yml

@@ -22,12 +22,11 @@ jobs:
     steps:
       - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3
+        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
           pip install -r requirements.txt -r requirements-test.txt
       - name: Lint with flake8 and pylint
         run: |