feat: bump React to 19.2.3

[LinKCoding]

Overview

PR Checklist

• Related to designs:
• Related to JIRA ticket: [ABC-123]
• I have run this code to verify it works
• This PR includes unit tests for the code change
• This PR includes testing instructions tests for the code change
• The alpha package of this PR is passing end-to-end tests in all relevant Codecademy repositories

Testing Instructions

Don't make me tap the sign.

1. Go to story X
2. Do something
3. Do that something in dark mode
4. Check it with VO
5. Finish and do a celebratory dance

PR Links and Envs

Repository	PR Link
Monolith	Monolith PR
Mono	Mono PR

[nx-cloud]

View your CI Pipeline Execution ↗ for commit 7eb54ba

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☁️ Nx Cloud last updated this comment at 2026-01-22 21:23:33 UTC

[nx-cloud]

🤖 Nx Cloud AI Fix Eligible

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View your CI Pipeline Execution ↗ for commit b549159

Command	Status	Duration	Result
nx run-many --target=build --all	❌ Failed	8s	View ↗

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☁️ Nx Cloud last updated this comment at 2026-01-22 19:09:23 UTC

[codecademydev]

📬 Published Alpha Packages:

@codecademy/gamut@67.6.4-alpha.0b0787.0
@codecademy/gamut-icons@9.54.1-alpha.0b0787.0
@codecademy/gamut-illustrations@0.58.1-alpha.0b0787.0
@codecademy/gamut-kit@0.6.577-alpha.0b0787.0
@codecademy/gamut-patterns@0.10.20-alpha.0b0787.0
@codecademy/gamut-styles@17.11.1-alpha.0b0787.0
@codecademy/gamut-tests@5.2.18-alpha.0b0787.0
@codecademy/variance@0.25.1-alpha.0b0787.0

[github-actions]

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