switch to trusted publishing

Author: bakkot

.github/workflows/publish.yml

@@ -4,23 +4,25 @@ on:
   release:
     types: [created]
 
+permissions:
+  id-token: write # required for trusted publishing
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Setup node
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v6
         with:
-          node-version: '18'
+          node-version: '24'
           registry-url: 'https://registry.npmjs.org'
 
       - name: Install dependencies
         run: npm ci
 
       - name: Publish
         run: npm publish
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN_FOR_TC39_USER }}