chore: use latest version of codecov binary

closes vuejs#7664

Author: posva

.circleci/config.yml

@@ -44,7 +44,7 @@ jobs:
          name: report coverage stats for non-PRs
          command: |
            if [[ -z $CI_PULL_REQUEST ]]; then
-             cat ./coverage/lcov.info | ./node_modules/.bin/codecov
+             ./node_modules/.bin/codecov
            fi
 
   test-e2e: