Set up Python version with GitHub action.

Author: nathanjmcdougall

.github/workflows/ci.yml

@@ -13,11 +13,16 @@ jobs:
 
       - name: Setup uv and handle its cache
         uses: hynek/setup-cached-uv@49a39f911c85c6ec0c9aadd5a426ae2761afaba2 # v2.0.0
+
+      - name: "Set up Python"
+        uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f # v5.1.1
+        with:
+          python-version: ${{ matrix.python-version }}
 
       - name: Setup dependencies
         run: |
-          uv pip install --user --break-system-packages -r ./.requirements/${{ matrix.python-version }}-${{ runner.os }}.txt
-          uv pip install --user --break-system-packages pytest pytest-md pytest-emoji
+          uv pip install --system --break-system-packages -r ./.requirements/${{ matrix.python-version }}-${{ runner.os }}.txt
+          uv pip install --system --break-system-packages pytest pytest-md pytest-emoji
 
       - name: Run pytest
         uses: pavelzw/pytest-action@510c5e90c360a185039bea56ce8b3e7e51a16507 # v2.2.0