Use react@19 on v2 and v1

[jpreynat]

The v2 currently returns this error on some endpoints:

⨯ Error: Missing optional dependency "react-dom/server.edge"

By further inspecting the deployed code, the bundled react-dom version is 18, instead of 19.

The overrides at the root to use react@18 were indeed preventing v2 to use react@19.
But after some tests, it seems that react@19 also works properly for v1, so let's use it everywhere.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 79ffa63

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[github-actions]

Summary of the deployments:

Version 1

Version	URL	Status
Latest commit	https://3b3610e0.gitbook-open.pages.dev	✅
PR	https://pr3184.gitbook-open.pages.dev	✅

Version 2

Version	URL	Status
Vercel	https://gitbook-v2-rde7vdwev-gitbook.vercel.app	✅
Cloudflare	https://769d69b3-gitbook-open-v2-preview.gitbook.workers.dev	✅

Test content

Site	v1	2v	2c
GitBook	https://3b3610e0.gitbook-open.pages.dev/docs.gitbook.com	https://gitbook-v2-rde7vdwev-gitbook.vercel.app/url/docs.gitbook.com	https://769d69b3-gitbook-open-v2-preview.gitbook.workers.dev/url/docs.gitbook.com
E2E	https://3b3610e0.gitbook-open.pages.dev/gitbook.gitbook.io/test-gitbook-open	https://gitbook-v2-rde7vdwev-gitbook.vercel.app/url/gitbook.gitbook.io/test-gitbook-open	https://769d69b3-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.gitbook.io/test-gitbook-open

[argos-ci]

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Build	Status	Details	Updated (UTC)
customers-v1 (Inspect)	✅ No changes detected	-	Apr 24, 2025, 1:18 PM
customers-v2 (Inspect)	👍 Changes approved	79 changed	Apr 24, 2025, 1:21 PM
default (Inspect)	✅ No changes detected	-	Apr 24, 2025, 1:20 PM
v2-vercel (Inspect)	👍 Changes approved	1 changed	Apr 24, 2025, 1:23 PM