fix: allow expanding env vars in reverse order

[sapphi-red]

Description

Reverts the breaking change caused by dotenv-expand v12 upgrade by patching it.

fixes #18975

[patak-dev]

/ecosystem-ci run

[pkg-pr-new]

Open in Stackblitz

npm i https://pkg.pr.new/vite@19352

commit: d2afe9c

[vite-ecosystem-ci]

📝 Ran ecosystem CI on d2afe9c: Open

suite	result	latest scheduled
astro	❌ failure	❌ failure
histoire	❌ failure	❌ failure
ladle	❌ failure	❌ failure
nuxt	❌ failure	✅ success
previewjs	❌ failure	❌ failure
qwik	❌ failure	❌ failure
redwoodjs	❌ failure	❌ failure
vitest	❌ failure	❌ failure
waku	❌ failure	❌ failure

✅ analogjs, laravel, marko, quasar, rakkas, react-router, storybook, sveltekit, unocss, vike, vite-environment-examples, vite-plugin-pwa, vite-plugin-react, vite-plugin-react-swc, vite-plugin-svelte, vite-plugin-vue, vite-setup-catalogue, vitepress, vuepress

[patak-dev]

Nuxt is failing due to the corepack issue. Let's merge and release a new patch today.