Fix CI dependency install after pytest moved to dev extra

Author: dariocazzani

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
         run: uv python install ${{ matrix.python-version }}
 
       - name: Install dependencies
-        run: uv sync --dev
+        run: uv sync --extra dev
 
       - name: Run tests
         env: