ci: simplify publish workflow to standard setup-node approach

Author: lex

.github/workflows/publish.yml

@@ -27,9 +27,6 @@ jobs:
 
       - run: npm run build
 
-      - name: Configure npm auth
-        run: |
-          echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc
-          npm whoami
-
       - run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}