chore: use yarn in workflow

Author: captainsafia

.github/workflows/npm-release.yml

@@ -9,9 +9,9 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: '14'
-      - run: npm ci
-      - run: npm run build
-      - run: npm test
+      - run: yarn install
+      - run: yarn build
+      - run: yarn test
       - name: Release
         env:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}