Fix deploy/tutorials/vite.md (Step 2: Run the repo locally)

[gystemd]

This pull request includes a small change to the deploy/tutorials/vite.md file. The change updates the command to run the project locally from deno task run to deno task dev to reflect the correct usage. The command of step 1 generates a deno.json which defines the following tasks:

"tasks": {
  "dev": "deno run -A --node-modules-dir npm:vite",
  "build": "deno run -A --node-modules-dir npm:vite build",
  "preview": "deno run -A --node-modules-dir npm:vite preview",
  "serve": "deno run --allow-net --allow-read jsr:@std/http@1/file-server dist/"
}, 

the task run does not appear in this list, so the correct one should be dev.