Merge remote-tracking branch 'upstream/dev' into mwilcox/skip-imported-route-typegen

* upstream/dev: (65 commits)
  Generate types for `virtual:react-router/server-build` (remix-run#13152)
  Add support for client context and middleware (unstable) (remix-run#12941)
  Add playground for `vite-plugin-cloudflare` (remix-run#13151)
  do not typegen params for layout routes with a corresponding index (remix-run#13131) (remix-run#13140)
  Fix types for `loaderData` and `actionData` that contain `Record`s (remix-run#13139)
  chore: format
  chore(dev): remove unused dependencies (remix-run#13134)
  Remove unused Vite file system watcher (remix-run#13133)
  Remove stale changesets cherry-picked into release-next for 7.2.0
  Fix custom SSR build input with `serverBundles` (remix-run#13107)
  Skip resource route flow in dev mode when SPA  mode is enabled (remix-run#13113)
  chore: format
  Add integration test for `vite-plugin-cloudflare` (remix-run#13099)
  Fix custom client `build.rollupOptions.output.entryFileNames` (remix-run#13098)
  Detect lazy route discovery manifest version mismatches and trigger reloads (remix-run#13061)
  Fix critical CSS with custom `Vite.DevEnvironment` (remix-run#13066)
  Fix usage of `prerender` option with `serverBundles` (remix-run#13082)
  Fix support for custom `build.assetsDir` (remix-run#13077)
  Add changeset for remix-run#13064
  Only import the root route when SSRing SPA mode's index.html (remix-run#13023)
  ...

Author: wilcoxmd

.changeset/afraid-buses-pay.md

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+---
+"@react-router/dev": patch
+---
+
+Fix support for custom client `build.rollupOptions.output.entryFileNames`

.changeset/afraid-tigers-promise.md

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+---
+"react-router": patch
+---
+
+Skip resource route flow in dev server in SPA mode

.changeset/cool-pillows-sing.md

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+---
+"@react-router/dev": patch
+---
+
+Fix usage of `prerender` option when `serverBundles` option has been configured or provided by a preset, e.g. `vercelPreset` from `@vercel/react-router`

.changeset/dry-impalas-live.md

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+---
+"@react-router/dev": patch
+---
+
+Fix support for custom `build.assetsDir`

.changeset/dull-balloons-boil.md

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+---
+"@react-router/express": patch
+---
+
+Update `express` `peerDependency` to include v5 (https://github.com/remix-run/react-router/pull/13064)