chore: upgrade miniflare to 3.0.1

[mrbbot]

Fixes #3264
Fixes #3218

Supersedes #3352

What this PR solves / how to test:

This PR bumps the minimum miniflare version to 3.0.1, fixing some HTTPS fetch() issues.

Associated docs issue(s)/PR(s):

N/A

Author has included the following, where applicable:

• Tests
• Changeset (Changeset guidelines)

Reviewer is to perform the following, as applicable:

• Checked for inclusion of relevant tests
• Checked for inclusion of a relevant changeset
• Checked for creation of associated docs updates
• Manually pulled down the changes and spot-tested

[changeset-bot]

🦋 Changeset detected

Latest commit: c86f8d7

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

This PR includes changesets to release 2 packages

Name	Type
@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/5258106687/npm-package-wrangler-3454

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

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/3454/npm-package-wrangler-3454

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/5258106687/npm-package-wrangler-3454 dev path/to/script.js

Additional artifacts:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/5258106687/npm-package-cloudflare-pages-shared-3454

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

[codecov]

Codecov Report

Merging #3454 (c86f8d7) into main (8414964) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3454      +/-   ##
==========================================
+ Coverage   75.17%   75.21%   +0.04%     
==========================================
  Files         183      183              
  Lines       11052    11052              
  Branches     2904     2904              
==========================================
+ Hits         8308     8313       +5     
+ Misses       2744     2739       -5     

see 3 files with indirect coverage changes