Update src/content/docs/workers/tutorials/using-prisma-postgres-with-workers/index.mdx

Co-authored-by: Nikolas <[email protected]>

Author: ankur-arch

src/content/docs/workers/tutorials/using-prisma-postgres-with-workers/index.mdx

@@ -74,7 +74,7 @@ npm install @prisma/extension-accelerate
 Install the [`dotenv-cli` package](https://www.npmjs.com/package/dotenv-cli) to load environment variables from `.dev.vars`:
 
 ```sh
-npm i -D dotenv-cli
+npm install dotenv-cli --save-dev
 ```
 
 ### 2.2. Create a Prisma Postgres database and initialize Prisma