ci(pytest): use uv to install pytest environment

Author: amilcarlucas

.github/workflows/pytest.yml

@@ -40,15 +40,18 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+      # https://docs.astral.sh/uv/guides/integration/github/
+      - name: Install uv and set the python version
+        uses: astral-sh/setup-uv@f0ec1fc3b38f5e7cd731bb6ce540c5af426746bb # v6.1.0
         with:
           python-version: ${{ matrix.python-version }}
+          activate-environment: true
 
       - name: Install dependencies
         run: |
-          python -m pip install 'pip==25.0.1'
-          pip install -e .[dev]
+          # pip causes problems, so avoid it
+          # uv pip install 'pip==25.0.1'
+          uv pip install -e .[dev]
 
       - name: Install apt packages
         run: |