fix(codecov): prefix with npx

bitjson · bitjson · commit c93c9dbb9df5 · 2018-03-11T03:14:12.000-04:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -19,5 +19,5 @@ jobs:
             - node_modules
           key: v1-dependencies-{{ checksum "package.json" }}
       - run: npm test
-      - run: npx nyc report --reporter=lcov | codecov
+      - run: npx nyc report --reporter=lcov | npx codecov
       - run: npm run cov:check
