ci: add npm auth via setup-node and NPM_TOKEN secret

Author: DhruvBhatia0

.github/workflows/release.yml

@@ -19,6 +19,11 @@ jobs:
         with:
           bun-version: latest
 
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org'
+
       - name: Install dependencies
         run: bun install
 
@@ -47,6 +52,8 @@ jobs:
       - name: Publish to npm
         if: steps.version.outputs.changed == 'true'
         run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
 
       - name: Create GitHub Release
         if: steps.version.outputs.changed == 'true'