release: add npmrc to ensure publish permissions (#107)

* release: add npmrc to ensure publish permissions

* use configuration instead

* use global config

Author: guybedford

.github/workflows/release.yml

@@ -125,6 +125,8 @@ jobs:
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
         working-directory: ./npm/wizer
         run: npm install && npm version "${{ steps.tagname.outputs.val }}" --allow-same-version
+      - name: Setup npm auth
+        run: npm config --global set '//registry.npmjs.org/:_authToken'='$NODE_AUTH_TOKEN'
       - name: Publish npm packages
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
         working-directory: ./npm