chore: upgrade Vite 8.0.3, Rolldown 1.0.0-rc.12

[react-server-bot]

Automated daily upgrade of Vite, Rolldown, and/or Vitest to the latest available versions.

Vite: 8.0.2 → 8.0.3
Rolldown: 1.0.0-rc.11 → 1.0.0-rc.12

Updated locations

• packages/react-server/package.json — vite, rolldown
• test/package.json — vite, rolldown, vitest, @vitest/ui
• packages/rsc/package.json — vitest, @vitest/*
• packages/create-react-server/test/package.json — vitest
• package.json — all pnpm.overrides for Vite
• pnpm-lock.yaml

Smoke test

• Dev mode — hello world test passed ✅
• Build+start mode — hello world test passed ✅

[github-actions]

⚡ Benchmark Results

	PR 9531f21	main 7e068d2
Config	50 connections, 10s/test	50 connections, 10s/test

Benchmark	Req/s	vs main	Avg Latency	vs main	P99 Latency	Throughput
minimal	1503	🟢 +13.4%	32.71 ms	🟢 -12.1%	70 ms	0.8 MB/s
small	1614	🟢 +9.2%	30.4 ms	🟢 -8.7%	54 ms	1.5 MB/s
medium	349	🔴 -1.6%	142.45 ms	🔴 +2.0%	202 ms	5.1 MB/s
large	29	🔴 -12.4%	1544.59 ms	🔴 +7.5%	3284 ms	2.9 MB/s
deep	1004	🟢 +6.2%	49.09 ms	🟢 -6.2%	90 ms	3.3 MB/s
wide	39	🔴 -9.6%	1204.28 ms	🔴 +6.1%	2036 ms	2.1 MB/s
cached	4177	🟢 +1.8%	11.46 ms	🟢 -2.9%	25 ms	60.9 MB/s
client-min	1153	🟢 +16.2%	42.82 ms	🟢 -14.0%	77 ms	2.9 MB/s
client-small	1196	🟢 +18.2%	41.25 ms	🟢 -15.5%	66 ms	3.4 MB/s
client-med	611	🔴 -1.2%	80.92 ms	🔴 +1.4%	113 ms	10.1 MB/s
client-large	87	🔴 -12.1%	561.3 ms	🔴 +15.4%	1028 ms	8.9 MB/s
client-deep	968	🟢 +9.8%	51.11 ms	🟢 -8.9%	77 ms	5.1 MB/s
client-wide	154	🔴 -12.7%	320.64 ms	🔴 +14.0%	500 ms	8.7 MB/s
static-json	11198	🟢 +44.2%	3.81 ms	🟢 -34.1%	13 ms	4.7 MB/s
static-js	10755	🟢 +47.9%	4.07 ms	🟢 -35.4%	14 ms	50.0 MB/s
404-miss	10415	🟢 +41.8%	4.43 ms	🟢 -32.3%	10 ms	1.3 MB/s

Legend

🟢 > 1% improvement | 🔴 > 1% regression | ⚪ within noise margin

Benchmarks run on GitHub Actions runners (shared infrastructure) — expect ~5% variance between runs. Consistent directional changes across multiple routes are more meaningful than any single number.