Fix pip install command syntax in pylint workflow

Author: Augus1999

.github/workflows/pylint.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pylint, setuptools
+        pip install pylint setuptools
         pip install -r requirements.txt
     - name: Analysing the code with pylint
       run: |