create .npmrc file automatically

src/Umbraco.Web.UI.Client/.github/workflows/npm-publish-github-packages.yml

@@ -56,10 +56,10 @@ jobs:
         with:
           node-version: 18
           registry-url: https://npm.pkg.github.com/
+          scope: '@umbraco-cms'
       - run: |
           SHA_SHORT=$(echo $GITHUB_SHA | cut -c1-8)
           npm version 13.0.0-next.$SHA_SHORT --allow-same-version --no-git-tag-version
-      - run: npm login --scope=@umbraco-cms --auth-type=legacy --registry=https://npm.pkg.github.com/
       - run: npm publish --tag next
         env:
           NODE_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}