Removes ruff github action with explicit steps

.github/workflows/python-package.yml

@@ -20,9 +20,6 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: chartboost/ruff-action@v1
-      with:
-        src: "./src"
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
@@ -32,6 +29,12 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install poetry
         poetry install --with dev
+    - name: Check with ruff
+      run: |
+        ruff check src
+    - name: Check formatting with ruff
+      run: |
+        ruff format --check src
     - name: Test with pytest
       run: |
         poetry run pytest