Fix Publish Workflow (#7)

- fix publish workflow

Author: mwarman

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
           cache: 'npm'
           registry-url: 'https://registry.npmjs.org'
       - run: npm ci
-      - run: num run build
+      - run: npm run build
       - run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}