Add prereleases using pkg.new

.github/workflows/prerelease.yml

@@ -0,0 +1,33 @@
+name: Publish prereleases
+on: 
+  pull_request:
+  push:
+    branches:
+      - main
+      - next
+
+permissions: 
+  contents: read
+
+jobs:
+  build:
+    if: ${{ github.repository_owner == 'cloudflare' }}
+    runs-on: ubuntu-slim
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          cache: 'npm'
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Build Package 
+        run: npm run build
+
+      - run: npx pkg-pr-new publish --comment=update