batter label for CI step

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
  uses: actions/setup-node@v2
  with:
  node-version: ${{ matrix.node-version }}.x
- - name: update npm to 7.*
+ - name: Ensure npm >= 7
  run: npm i -g npm@^7
  - run: npm ci
  - run: npm run audit