merge two jobs to one

.github/workflows/python-publish.yml

@@ -19,21 +19,50 @@ permissions:
   id-token: write
 
 jobs:
-  deploy:
+  linter:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["3.12"]
+
+    steps:
+    - uses: actions/checkout@v4
 
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install ruff
+
+    - name: Analysing the code with ruff
+      run: |
+        ruff check $(git ls-files '*.py')
+
+
+  deploy:
     runs-on: ubuntu-latest
+    needs: linter
 
     steps:
     - uses: actions/checkout@v4
+
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: '3.12'
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install build
+
     - name: Build package
       run: python -m build
+
     - name: Publish package
       uses: pypa/gh-action-pypi-publish@v1.10.3