fix coverage script

Author: schultek

pubspec.yaml

@@ -30,7 +30,7 @@ melos:
     coverage:
       run: |
         melos exec -- 'dart test --coverage=coverage'
-        melos exec -- 'dart pub global run coverage:format_coverage --check-ignore --packages=.dart_tool/package_config.json --report-on=lib --lcov -o "$MELOS_ROOT_PATH/coverage/lcov.info" -i ./coverage'
+        melos exec -- 'dart pub global run coverage:format_coverage --check-ignore --report-on=lib --lcov -o "$MELOS_ROOT_PATH/coverage/lcov.info" -i ./coverage'
       packageFilters:
         scope: dart_mappable
     build: