Update mypy call in GH action.

Author: razvan

.github/workflows/lint.yml

@@ -24,4 +24,4 @@ jobs:
         pylint $(git ls-files '*.py')
     - name: Analysing the code with mypy
       run: |
-        mypy --install-types --non-interactive
+        mypy --install-types --non-interactive $(git ls-files '*.py')