updated pynlint workflow

.github/workflows/pylint.yml

@@ -20,6 +20,11 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-dev.txt
+          
       # Step 3: Run all code quality checks
       - name: Pylint
         run: |