build(deps): bump isomorphic-unfetch from 3.1.0 to 4.0.1

[dependabot]

Bumps isomorphic-unfetch from 3.1.0 to 4.0.1.

Release notes

Sourced from isomorphic-unfetch's releases.

4.0.1

Quick publishing fix.

isomorphic-4.0.1

What's Changed

• update node-fetch to 3.x by @​RishikeshDarandale in developit/unfetch#156
• (in unfetch core) add TypeScript definitions by @​developit in developit/unfetch#159

New Contributors

• @​RishikeshDarandale made their first contribution in developit/unfetch#156

Full Changelog: developit/unfetch@isomorphic-3.1.0...isomorphic-4.0.1

4.0.0

🦄 Small breaking change for awesome ponyness:

• unfetch is now a pure ponyfill.
• unfetch/polyfill is now the polyfill version (even smaller than the ponyfill!)
• All modules are shipped in all formats, and the polyfill is now < 500b.
• Also a little bugfix for IE11 (#85, thanks @​khusa)

TL;DR: require('unfetch') no longer returns window.fetch when it exists. For that, use unfetch/polyfill.

This change makes unfetch lovely to use as a polyfill from HTML:

<script src="https://unpkg.com/unfetch/polyfill"></script>
<!-- that's it! -->
<script>foo = await fetch('/foo.json')</script>

Otherwise, if you're using Unfetch and bundling your code, continue as you were before:

if (!self.fetch) self.fetch = require('unfetch');
// or simply:
import 'unfetch/polyfill';

Important - the one thing to avoid:

Since unfetch is a proper ponyfill, it will now overwrite fetch even in supported browsers if you do the following

// never do this!
window.fetch = require('unfetch');

3.1.2

• Fixes an IE11 bug (#85, thanks @​khusa!)

... (truncated)

Commits

• 1670b30 4.0.1
• 295f10b Update icon
• 0bc2cf9 Update readme for 4.0.0
• 4180f39 Clean up badges.
• 633305a isomorphic-unfetch 3.0.0
• dbe0a9e 4.0.0
• 701d4ef Migrate to Microbundle and Jest. Drops size to 498 bytes!
• c2812e2 Rework unfetch/polyfill for make it bundler-agnostic.
• ba16a12 Move to mjs and make unfetch a ponyfill
• 803c39b fix npm issues
• Additional commits viewable in compare view

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[dependabot]

Superseded by #1667.