Error: Dynamic require of "punycode/" is not supported

### What versions & operating system are you using?

```
npx envinfo --system --npmPackages '{wrangler,create-cloudflare,miniflare,@cloudflare/*}' --binaries

System:
OS: macOS 26.2
CPU: (12) arm64 Apple M3 Pro
Memory: 1.30 GB / 36.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 25.2.1 - /opt/homebrew/bin/node
npm: 11.6.2 - /opt/homebrew/bin/npm
pnpm: 10.18.2 - /opt/homebrew/bin/pnpm
npmPackages:
@cloudflare/vite-plugin: ^1.13.5 => 1.19.0
wrangler: ^4.56.0 => 4.56.0
```

### Please provide a link to a minimal reproduction

https://alexbevi.com/blog/2025/12/22/cloudflare-plus-mongodb-how-to-fix-error-dynamic-require-of-punycode-slash-is-not-supported/

### Describe the Bug

Trying to import the `mongodb` Node.js driver causes the vite-plugin to error out. See [blog post](https://alexbevi.com/blog/2025/12/22/cloudflare-plus-mongodb-how-to-fix-error-dynamic-require-of-punycode-slash-is-not-supported/) in reproduction link for full details and repro.

### Please provide any relevant error logs

```
npm run dev
> dev
> react-router dev

11:15:07 AM [vite] (ssr) Re-optimizing dependencies because vite config has changed
11:15:08 AM [vite] (ssr) ✨ new dependencies optimized: mongodb
11:15:08 AM [vite] (ssr) ✨ optimized dependencies changed. reloading
[vite] program reload
Error: Dynamic require of "punycode/" is not supported
at null. (/Users/alex/Temp/my-react-router-app/node_modules/.vite/deps_ssr/chunk-PLDDJCW6.js:11:9)
at node_modules/tr46/index.js (/Users/alex/Temp/my-react-router-app/node_modules/tr46/index.js:3:18)
at __require2 (/Users/alex/Temp/my-react-router-app/node_modules/.vite/deps_ssr/chunk-PLDDJCW6.js:17:50)
at node_modules/whatwg-url/lib/url-state-machine.js (/Users/alex/Temp/my-react-router-app/node_modules/whatwg-url/lib/url-state-machine.js:2:14)
at __require2 (/Users/alex/Temp/my-react-router-app/node_modules/.vite/deps_ssr/chunk-PLDDJCW6.js:17:50)
at node_modules/whatwg-url/lib/URL-impl.js (/Users/alex/Temp/my-react-router-app/node_modules/whatwg-url/lib/URL-impl.js:2:13)
at __require2 (/Users/alex/Temp/my-react-router-app/node_modules/.vite/deps_ssr/chunk-PLDDJCW6.js:17:50)
at node_modules/whatwg-url/lib/URL.js (/Users/alex/Temp/my-react-router-app/node_modules/whatwg-url/lib/URL.js:499:14)
at __require2 (/Users/alex/Temp/my-react-router-app/node_modules/.vite/deps_ssr/chunk-PLDDJCW6.js:17:50)
at node_modules/whatwg-url/webidl2js-wrapper.js (/Users/alex/Temp/my-react-router-app/node_modules/whatwg-url/webidl2js-wrapper.js:3:13) {
[cause]: undefined
}
```