fixes CI matrix

Author: saxix

.github/workflows/test.yml

@@ -78,9 +78,9 @@ jobs:
       - name: Run test suite d${{ matrix.django }}-py${{ matrix.python }}
         run: |
               uv export -q --no-hashes  -o requirements.txt
-              pip install -r requirements.txt
-              pip install "django==${{ matrix.django }}.*"
-              python -m pytest tests/ \
+              uv pip install -r requirements.txt
+              uv pip install "django==${{ matrix.django }}.*"
+              uv run  pytest tests/ \
                 --junit-xml junit-${{ matrix.python }}-${{matrix.django}}.xml \
                 --cov --cov-report xml