chore: change npm publish (#450)

* version to 7.15.2

* support publish

* change npm-publish

---------

Co-authored-by: YangSen-qn <yangsen@qiniu.com>

Author: YangSen-qn

.github/workflows/npm-publish.yml

@@ -14,7 +14,6 @@ jobs:
           node-version: 12
           registry-url: https://registry.npmjs.org/
       - run: npm install
-      - run: npm run build
       - run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}