feature: pylint-exit

Pylint always fails. Pylint-exit displays fatal errors only.

.github/workflows/pylint.yml

@@ -16,8 +16,8 @@ jobs:
       - name: Setup Pylint
         run: |
           python -m pip install --upgrade pip
-          pip install pylint
+          pip install pylint pylint-exit
           pip install -r requirements.txt
       - name: Run Pylint
         run: |
-          pylint $(git ls-files '*.py')
+          pylint $(git ls-files '*.py') || pylint-exit $?