ci: Ignore test directory when linting.

Author: mitjohnson

.github/workflows/ci.yml

@@ -45,4 +45,4 @@ jobs:
           pip install pylint requests cloudflare
       - name: Analysing the code with pylint
         run: |
-          pylint $(git ls-files '*.py')
+          pylint $(git ls-files '*.py' | grep -v '^tests/')