breaking: remove Server constructor from public type

[teemingc]

Building on top of #16878

Removing the constructor lets us remove the SSRManifest type completely from the public types. We still keep it for the internal Server class though

[pkg-svelte-dev]

Install the latest version of @sveltejs/kit from 33340b0:

pnpm add https://pkg.svelte.dev/@sveltejs/kit/c/33340b00d280defc50a0d6afc316b6c7a0223f30

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/kit/pr/16951

[changeset-bot]

⚠️ No Changeset found

Latest commit: 33340b0

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.

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[svelte-docs-bot]

Preview: https://svelte-dev-git-preview-kit-16951-svelte.vercel.app/