Merge pull request mxdi9i7#21 from mxdi9i7/ssysm/ci

change to npm

Author: mxdi9i7

.github/workflows/publish.yml

@@ -13,7 +13,7 @@ jobs:
         with:
           node-version: 12
           registry-url: https://registry.npmjs.org/
-      - run: yarn install
+      - run: npm install
       - run: npm publish --access public
         env:
           NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}

.github/workflows/test.yml

@@ -11,5 +11,5 @@ jobs:
         with:
           node-version: 12
           registry-url: https://registry.npmjs.org/
-      - run: yarn install
-      - run: yarn test
+      - run: npm install
+      - run: npm test