`npx sv migrate` fails

[christowiz]

The documentation for the sv migrate command states that you can run npx sv migrate or npx sv migrate [migration]

https://svelte.dev/docs/cli/sv-migrate#Migrations

When running npx sv migrate the command throws an error

error: missing required argument 'migration'

The docs say that sv migrate delegates to svelte-migrate. When I run npx svelte-migrate I get the following expected output:

$ npx svelte-migrate                                                                               
Need to install the following packages:
svelte-migrate@1.10.1
Ok to proceed? (y) y

┌  Welcome to the svelte-migrate CLI! (v1.10.1)
│
◆  Which migration would you like to run?
│  ● app-state
│  ○ package
│  ○ routes
│  ○ self-closing-tags
│  ○ svelte-4
│  ○ svelte-5
│  ○ sveltekit-2
└

I thought that maybe migrate had a --help option (which it doesn't) so when I ran that it gave me an error but also gave me the expected output:

$ npx sv migrate --help                                                                   ✔  4m 
┌  Welcome to the svelte-migrate CLI! (v1.10.1)
│
▲  Invalid migration "--help" provided.
│
◆  Which migration would you like to run?
│  ● app-state
│  ○ package
│  ○ routes
│  ○ self-closing-tags
│  ○ svelte-4
│  ○ svelte-5
│  ○ sveltekit-2
└

There was a previous issue (#302) regarding this error but the discussion seemed to diverge from the output error.

It seems that either sv migrate should show the same output as svelte-migrate or removed from the docs as an option.

[benmccann]

I think we should update the code to allow you to select a migration