explicitly set the access level to 'public' when publishing the packa…

…ge to npm with github actions

I've also added an additional action trigger to test this commit in a separate branch, which should be removed before merging

.github/workflows/npm-publish-github-packages.yml

@@ -6,6 +6,9 @@ name: Node.js Package
 on:
   release:
     types: [prereleased]
+  push:
+    branches:
+      - npm-publish-public
 
 jobs:
   build:
@@ -30,6 +33,6 @@ jobs:
           node-version: 16
           registry-url: https://npm.pkg.github.com/
       - run: npm ci
-      - run: npm publish
+      - run: npm publish --access public
         env:
           NODE_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}