[miniflare] fix: add miniflare bin entry

[mrbbot]

Fixes #4355

What this PR solves / how to test:

Miniflare 3 doesn't include a CLI anymore, but should log a useful error stating this when running npx miniflare. We had a script for this, but it wasn't correctly hooked up. 🤦 To test this, run npx miniflare in the packages/wrangler directory.

Author has addressed the following:

• Tests
  • Included
  • Not necessary because: small change to add a bin entry tominiflare's package.json
• Changeset (Changeset guidelines)
  • Included
  • Not necessary because:
• Associated docs
  • Issue(s)/PR(s):
  • Not necessary because: already have migration docs suggesting users use npx wrangler dev

Note for PR author:

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[changeset-bot]

🦋 Changeset detected

Latest commit: d5faff6

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

This PR includes changesets to release 3 packages

Name	Type
miniflare	Patch
@cloudflare/pages-shared	Patch
wrangler	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[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/6830099406/npm-package-wrangler-4428

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

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/6830099406/npm-package-wrangler-4428

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/6830099406/npm-package-wrangler-4428 dev path/to/script.js

Additional artifacts:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/6830099406/npm-package-miniflare-4428

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/6830099406/npm-package-cloudflare-pages-shared-4428

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

---

wrangler@3.15.0 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20231025.1
workerd	1.20231030.0	1.20231030.0
workerd --version	1.20231030.0	2023-10-30

|

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

[codecov]

Codecov Report

Merging #4428 (d5faff6) into main (9bc52cf) will decrease coverage by 0.01%.
Report is 1 commits behind head on main.
The diff coverage is 23.52%.

@@            Coverage Diff             @@
##             main    #4428      +/-   ##
==========================================
- Coverage   75.47%   75.46%   -0.01%     
==========================================
  Files         225      225              
  Lines       12451    12449       -2     
  Branches     3229     3227       -2     
==========================================
- Hits         9397     9395       -2     
  Misses       3054     3054              

Files	Coverage Δ
packages/wrangler/src/config/validation.ts	90.09% <100.00%> (ø)
packages/wrangler/src/dev/remote.tsx	8.24% <ø> (ø)
packages/wrangler/src/https-options.ts	100.00% <100.00%> (ø)
packages/wrangler/src/dev/proxy.ts	4.51% <7.14%> (-0.07%)	⬇️

... and 3 files with indirect coverage changes