Update Size-limit to v12 (major)

[matticbot]

This PR contains the following updates:

Package	Change	Age	Confidence
@size-limit/preset-app	11.2.0 → 12.0.0
size-limit	11.2.0 → 12.0.0

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Release Notes

ai/size-limit (@​size-limit/preset-app)

v12.0.0

Compare Source

• Moved jiti to optional dependency.
• Removed chokidar dependency in favor of fs.watch.
• Removed Node.js 18 support.
• Updated open & esbuild dependencies.
• Fixed docs (by @​nlopin & @​just-boris).

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[github-actions]

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[jp-launch-control]

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[anomiex]

Should be good if CI is happy

[matticbot]

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