Don't fail on coverage fail

Author: rennokki

.github/workflows/ci.yml

@@ -32,4 +32,4 @@ jobs:
         phpunit --coverage-text --coverage-clover=coverage.xml
     - uses: codecov/codecov-action@v1
       with:
-        fail_ci_if_error: true
+        fail_ci_if_error: false