Update deploy workflow for NPM to use Github Environments

Author: junderw

.github/workflows/npmpublish.yml

@@ -13,6 +13,7 @@ permissions:
 jobs:
  publish-npm:
  runs-on: ubuntu-latest
+ environment: 'Publish NPM'
  steps:
  - uses: actions/checkout@v2
  - uses: actions/setup-node@v1