Use npmjs registry in publish action.

Author: gellweiler

.github/workflows/publish.yml

@@ -12,6 +12,7 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: 12.x
+          registry-url: https://registry.npmjs.org/
       - run: npm publish --access public
         env:
-          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}