fix: polls miniflare to check browser process

[ruifigueira]

Playwright relies on a WebSocket close event that is never triggered in local dev. As a workaround, we poll miniflare to check if the browser is still up and running, otherwise we close the websocket explictly.

Fixes: #9945

• Tests
  • Tests included
  • Tests not necessary because:
• Public documentation
  • Cloudflare docs PR(s):
  • Documentation not necessary because: bug fix
• Wrangler V3 Backport
  • Wrangler PR:
  • Not necessary because: New feature

[changeset-bot]

🦋 Changeset detected

Latest commit: 982437e

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

This PR includes changesets to release 5 packages

Name	Type
miniflare	Minor
@cloudflare/pages-shared	Patch
@cloudflare/vite-plugin	Patch
@cloudflare/vitest-pool-workers	Patch
wrangler	Patch

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[pkg-pr-new]

create-cloudflare

npm i https://pkg.pr.new/create-cloudflare@10041

@cloudflare/kv-asset-handler

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miniflare

npm i https://pkg.pr.new/miniflare@10041

@cloudflare/pages-shared

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@cloudflare/unenv-preset

npm i https://pkg.pr.new/@cloudflare/unenv-preset@10041

@cloudflare/vite-plugin

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@cloudflare/vitest-pool-workers

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@cloudflare/workers-editor-shared

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wrangler

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commit: 982437e