fix: pass env and ctx to request handler when using --experimental-public

[threepointone]

(as reported on discord)

[changeset-bot]

🦋 Changeset detected

Latest commit: b902178

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
wrangler	Patch

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[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.developers.workers.dev/runs/2496722199/npm-package-wrangler-1260

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.developers.workers.dev/prs/1260/npm-package-wrangler-1260

Or you can use npx with this latest build directly:

npx https://prerelease-registry.developers.workers.dev/runs/2496722199/npm-package-wrangler-1260 dev path/to/script.js