[wrangler] feat: add support for environments in getPlatformProxy

[dario-piotrowicz]

What this PR solves / how to test

Fixes #5583

Author has addressed the following

• Tests
  • TODO (before merge)
  • Included
  • Not necessary because:
• Changeset (Changeset guidelines)
  • TODO (before merge)
  • Included
  • Not necessary because:
• Public documentation
  • TODO (before merge)
  • Cloudflare docs PR(s): add the environment option to the getPlatformProxy docs cloudflare-docs#13992
  • Not necessary because:

[changeset-bot]

🦋 Changeset detected

Latest commit: 0f63347

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

This PR includes changesets to release 2 packages

Name	Type
wrangler	Minor
@cloudflare/vitest-pool-workers	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.devprod.cloudflare.dev/workers-sdk/runs/8674897827/npm-package-wrangler-5604

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

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/5604/npm-package-wrangler-5604

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8674897827/npm-package-wrangler-5604 dev path/to/script.js

Additional artifacts:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8674897827/npm-package-create-cloudflare-5604 --no-auto-update

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8674897827/npm-package-cloudflare-kv-asset-handler-5604

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8674897827/npm-package-miniflare-5604

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8674897827/npm-package-cloudflare-pages-shared-5604

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8674897827/npm-package-cloudflare-vitest-pool-workers-5604

Note that these links will no longer work once the GitHub Actions artifact expires.

---

wrangler@3.50.0 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20240405.1
workerd	1.20240405.0	1.20240405.0
workerd --version	1.20240405.0	2024-04-05

Please ensure constraints are pinned, and miniflare/workerd minor versions match.