Revert "feat(env): upgrade dotenv (#38481)"

This reverts commit 308a327.

docs/02-app/01-building-your-application/07-configuring/03-environment-variables.mdx

@@ -48,24 +48,7 @@ export async function getStaticProps() {
 
 <AppOnly>
 
-> **Note**: Next.js also supports multiline variables inside of your `.env*` files:
->
-> ```bash
-> # .env.local
->
-> # you can write with line breaks
-> PRIVATE_KEY="-----BEGIN RSA PRIVATE KEY-----
-> ...
-> Kh9NV...
-> ...
-> -----END DSA PRIVATE KEY-----"
->
-> # or with `\n` inside double quotes
-> PRIVATE_KEY="-----BEGIN RSA PRIVATE KEY-----\nKh9NV...\n-----END DSA PRIVATE KEY-----\n"
-> ```
-
-> **Note**: If you are using a `/src` folder, please note that Next.js will load the .env files **only** from the parent folder and **not** from the `/src` folder.
-> This loads `process.env.DB_HOST`, `process.env.DB_USER`, and `process.env.DB_PASS` into the Node.js environment automatically allowing you to use them in [Route Handlers](/docs/app/building-your-application/routing/route-handlers).
+This loads `process.env.DB_HOST`, `process.env.DB_USER`, and `process.env.DB_PASS` into the Node.js environment automatically allowing you to use them in [Route Handlers](/docs/app/building-your-application/routing/route-handlers).
 
 For example:
 
@@ -197,9 +180,3 @@ For example, if `NODE_ENV` is `development` and you define a variable in both `.
 
 - If you are using a [`/src` directory](/docs/app/building-your-application/configuring/src-directory), `.env.*` files should remain in the root of your project.
 - If the environment variable `NODE_ENV` is unassigned, Next.js automatically assigns `development` when running the `next dev` command, or `production` for all other commands.
-
-## Version History
-
-| Version  | Changes                                       |
-| -------- | --------------------------------------------- |
-| `v9.4.0` | Support `.env` and `NEXT_PUBLIC_` introduced. |

packages/next-env/package.json

@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@vercel/ncc": "0.34.0",
-    "dotenv": "16.3.1",
-    "dotenv-expand": "10.0.0"
+    "dotenv": "10.0.0",
+    "dotenv-expand": "8.0.1"
   }
 }