chore: import upstream snapshot with attribution

.github/workflows/prerelease.yml

@@ -0,0 +1,53 @@
+name: Prerelease
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - d1
+      - workflows
+      - next
+      - v3-maintenance
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    if: ${{ github.repository_owner == 'cloudflare' }}
+    runs-on: ubuntu-latest
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+      cancel-in-progress: ${{ github.head_ref != 'changeset-release/main' }}
+    timeout-minutes: 30
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          fetch-depth: 1
+          persist-credentials: false
+
+      - name: Install Dependencies
+        # Defense in depth: do not pass Turbo remote cache credentials and
+        # disable the pnpm store cache so release builds always resolve
+        # packages from the registry and rebuild every task from source,
+        # rather than restoring from a (potentially poisoned) cache.
+        uses: ./.github/actions/install-dependencies
+        with:
+          disable-cache: "true"
+
+      - name: Build
+        run: pnpm build --filter="./packages/*"
+        env:
+          NODE_ENV: "production"
+          CI_OS: ${{ runner.os }}
+          # this is the "test/staging" key for sparrow analytics
+          SPARROW_SOURCE_KEY: "5adf183f94b3436ba78d67f506965998"
+          ALGOLIA_APP_ID: ${{ secrets.ALGOLIA_APP_ID }}
+          SENTRY_DSN: "https://9edbb8417b284aa2bbead9b4c318918b@sentry10.cfdata.org/583"
+          ALGOLIA_PUBLIC_KEY: ${{ secrets.ALGOLIA_PUBLIC_KEY }}
+          WRANGLER_PRERELEASE_LABEL: ${{ github.head_ref || github.ref_name }}
+
+      - name: Upload packages
+        run: node -r esbuild-register .github/prereleases/upload.mjs