chore: replace flake8 with ruff

.github/workflows/linting.yml

@@ -1,4 +1,4 @@
-name: Flake8
+name: Ruff
 
 on: [push, pull_request]
 
@@ -17,7 +17,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8
+        pip install ruff
     - name: Analysing the code with pylint
       run: |
-        flake8 $(git ls-files '*.py')
+        ruff $(git ls-files '*.py')