blog: fix typo in 'svelte.dev: A complete overhaul' blog entry

[arpitjalan]

Fixes a small typo in: https://svelte.dev/blog/svelte-dev-overhaul ❤️

[changeset-bot]

⚠️ No Changeset found

Latest commit: 5b3a352

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[vercel]

@arpitjalan is attempting to deploy a commit to the Svelte Team on Vercel.

A member of the Team first needs to authorize it.