Fix CI: use 'uv sync --extra dev' for optional dependencies

Author: Technical-1

.github/workflows/ci.yml

@@ -54,7 +54,7 @@ jobs:
         run: uv python install 3.11
 
       - name: Install dependencies
-        run: uv sync --dev
+        run: uv sync --extra dev
 
       - name: Run ruff linter
         run: uv run ruff check . --output-format=github
@@ -95,7 +95,7 @@ jobs:
         run: uv python install ${{ matrix.python-version }}
 
       - name: Install dependencies
-        run: uv sync --dev
+        run: uv sync --extra dev
 
       - name: Run tests
         run: uv run pytest --cov-report=xml