update devDependencies to React 19, adjust tests and examples

[phryneas]

No description provided.

[netlify]

✅ Deploy Preview for apollo-client-nextjs-docmodel ready!

Name	Link
🔨 Latest commit	1703f75
🔍 Latest deploy log	https://app.netlify.com/sites/apollo-client-nextjs-docmodel/deploys/6752f2a76ffbc800083453eb
😎 Deploy Preview	https://deploy-preview-400--apollo-client-nextjs-docmodel.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[pkg-pr-new]

npm i https://pkg.pr.new/apollographql/apollo-client-nextjs/@apollo/client-react-streaming@400

npm i https://pkg.pr.new/apollographql/apollo-client-nextjs/@apollo/experimental-nextjs-app-support@400

commit: 1703f75

[github-actions]

size-limit report 📦

Path	Size
{ ApolloNextAppProvider, ApolloClient, InMemoryCache } from '@apollo/experimental-nextjs-app-support' (Browser ESM)	7.36 KB (0%)
{ WrapApolloProvider, ApolloClient, InMemoryCache } from '@apollo/client-react-streaming' (Browser ESM)	1.8 KB (0%)
{ buildManualDataTransport } from '@apollo/client-react-streaming/manual-transport' (Browser ESM)	3 KB (0%)
@apollo/client-react-streaming (Browser ESM)	2.51 KB (0%)
@apollo/client-react-streaming (SSR ESM)	7.33 KB (0%)
@apollo/client-react-streaming (RSC ESM)	7.18 KB (0%)
@apollo/client-react-streaming/manual-transport (Browser ESM)	3.21 KB (0%)
@apollo/client-react-streaming/manual-transport (SSR ESM)	8.29 KB (0%)
@apollo/experimental-nextjs-app-support (Browser ESM)	7.95 KB (0%)
@apollo/experimental-nextjs-app-support (SSR ESM)	13.06 KB (0%)
@apollo/experimental-nextjs-app-support (RSC ESM)	7.2 KB (0%)
@apollo/experimental-nextjs-app-support/rsc (RSC ESM)	6.37 KB (0%)

[relativeci]

#294 Bundle Size — 1.25MiB (+3.29%).

1703f75(current) vs e852c5b main#287(baseline)

Warning

Bundle contains 1 duplicate package – View duplicate packages

Bundle metrics   4 changes 1 regression

	Current #294	Baseline #287
Initial JS	1016.73KiB(+4.17%)	976.04KiB
Initial CSS	70B	70B
Cache Invalidation	20%	30.4%
Chunks	34	34
Assets	59	59
Modules	636(+0.16%)	635
Duplicate Modules	106	106
Duplicate Code	4.66%(-11.91%)	5.29%
Packages	26	26
Duplicate Packages	1	1

Bundle size by type   1 change 1 regression

	Current #294	Baseline #287
JS	1.24MiB (+3.31%)	1.2MiB
Other	9.09KiB	9.09KiB
CSS	70B	70B

Bundle analysis report Branch pr/react-19 Project dashboard

---

^{Generated by RelativeCI Documentation Report issue}