Ensure that wrangler dev and vite dev/preview crash when we fail to create a remote proxy session

[dario-piotrowicz]

Fixes #11253

This PR makes sure that both wrangler and the vite-plugin appropriately error when a remote proxy session fails to be established (instead of making requests hang for example).

---

• Tests
  • Tests included
  • Tests not necessary because:
• Public documentation
  • Cloudflare docs PR(s):
  • Documentation not necessary because: self explanatory behavior
• Wrangler V3 Backport
  • Wrangler PR:
  • Not necessary because: remote bindings are not present in v3

[changeset-bot]

🦋 Changeset detected

Latest commit: 8767488

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

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[pkg-pr-new]

create-cloudflare

npm i https://pkg.pr.new/create-cloudflare@11383

@cloudflare/kv-asset-handler

npm i https://pkg.pr.new/@cloudflare/kv-asset-handler@11383

miniflare

npm i https://pkg.pr.new/miniflare@11383

@cloudflare/pages-shared

npm i https://pkg.pr.new/@cloudflare/pages-shared@11383

@cloudflare/unenv-preset

npm i https://pkg.pr.new/@cloudflare/unenv-preset@11383

@cloudflare/vite-plugin

npm i https://pkg.pr.new/@cloudflare/vite-plugin@11383

@cloudflare/vitest-pool-workers

npm i https://pkg.pr.new/@cloudflare/vitest-pool-workers@11383

@cloudflare/workers-editor-shared

npm i https://pkg.pr.new/@cloudflare/workers-editor-shared@11383

@cloudflare/workers-utils

npm i https://pkg.pr.new/@cloudflare/workers-utils@11383

wrangler

npm i https://pkg.pr.new/wrangler@11383

commit: 8767488

[vicb]

LGTM with a few minor comments

[github-actions]

Failed to automatically backport this PR's changes to Wrangler v3. Please manually create a PR targeting the v3-maintenance branch with your changes. Thank you for helping us keep Wrangler v3 supported!

Depending on your changes, running git rebase --onto v3-maintenance main dario/11253/remote-bindings-failed-remote-session-fix might be a good starting point.

Notes:

• your PR branch should be named v3-backport-11383
• add the skip-v3-pr label to the current PR to stop this workflow from failing

[vicb]

nit: it would be good to have a common helper for that - could be addressed in a follow up PR