Restore linting and type checking

.github/workflows/linting_and_type_checking.yml

@@ -17,17 +17,28 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Setup environment
-        uses: ./.github/setup-env
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        with:
+          # Install a specific version of uv.
+          version: "0.5.9"
+
+      - name: Set up Python ${{ matrix.python-version }}
+        run: uv python install ${{ matrix.python-version }}
+
+      - name: Install dev dependencies
+        run: uv pip install --system -e ".[dev]"
+
       - name: Run mypy
         run: mypy src/hssm
 
       - name: Check formatting
         run: ruff format --check .
 
       - name: Linting
-        run: ruff check src/hssm
-
+        run: ruff check src/hssm