fix(design-system): codemirror packages that aren't in package.json are declared as external

[joshuaellis]

What does it do?

• finds the codemirror deps we access but aren't declared in the package.json and make them external to avoid being bundled

Why is it needed?

• JSON fields crash the strapi app because we load more than one version of codemirror state

Related issue(s)/PR(s)

• resolves [bug]: 2.0.0-beta.2 codemirror error Unrecognized extension value in extension set  #1706

[changeset-bot]

🦋 Changeset detected

Latest commit: 6d977e6

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

This PR includes changesets to release 3 packages

Name	Type
@strapi/design-system	Patch
@strapi/ui-primitives	Patch
@strapi/icons	Patch

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

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Name	Status	Preview	Comments	Updated (UTC)
design_system_v2	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 29, 2024 3:47pm
design-system	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 29, 2024 3:47pm
design-system-website	❌ Failed (Inspect)			Apr 29, 2024 3:47pm

[github-actions]

Size Change: -191 kB (-39%) 🎉

Total Size: 295 kB

Filename	Size	Change
packages/strapi-design-system/dist/index.js	98.1 kB	-95.6 kB (-49%)	🎉
packages/strapi-design-system/dist/index.mjs	96.7 kB	-95.7 kB (-50%)	🏆

ℹ️ View Unchanged

Filename	Size
packages/primitives/dist/index.js	16.6 kB
packages/primitives/dist/index.mjs	16.1 kB
packages/strapi-icons/dist/index.js	22.1 kB
packages/strapi-icons/dist/index.mjs	21.7 kB
packages/strapi-icons/dist/symbols-index.js	11.9 kB
packages/strapi-icons/dist/symbols-index.mjs	11.8 kB

_{compressed-size-action}

[innerdvations]

LGTM but I didn't test it