Fail CI on Codecov uploads from linters

Author: webknjaz

.github/workflows/reusable-linters.yml

@@ -72,7 +72,7 @@ jobs:
         flags: >-
           CI-GHA,
           MyPy
-        fail_ci_if_error: false
+        fail_ci_if_error: true
     - name: Install spell checker
       run: |
         sudo apt install libenchant-2-dev