Make the Lit integration be compat with Vite 3.0.1

[matthewp]

Changes

• Vite 3.0.1 made it so you can't use external for non-main entrypoints in packages.
• In our case we can externalize the entire package.
• Related to [astro-ci] Lit element SSR failure vitejs/vite#9275

Testing

• lit-element test failed in 3.0.1 but passes not.

Docs

N/A, bug fix.

[changeset-bot]

🦋 Changeset detected

Latest commit: e7fc927

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 13 packages

Name	Type
astro	Patch
@astrojs/lit	Patch
@e2e/astro-component	Patch
@e2e/error-react-spectrum	Patch
@e2e/error-sass	Patch
@e2e/errors	Patch
@e2e/lit-component	Patch
@e2e/preact-component	Patch
@e2e/react-component	Patch
@e2e/solid-component	Patch
@e2e/svelte-component	Patch
@e2e/e2e-tailwindcss	Patch
@e2e/ts-resolution	Patch

Not sure what this means? Click here to learn what changesets are.

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

[bholmesdev]

Lit's give ourselves a com-pat on the back 👏

[FredKSchott]

I would consider this Vite making breaking changes behind patches, and not following semver. Can we pin to v3.0.2 for now until their v3 matures a bit?

[matthewp]

Done

[patak-dev]

Sorry for this. FWIW, we counted it as regression as we didn't intend to change the way noExternal/external works. Given the current discussion in vitejs/vite#9275, I think that external will end up working as it did in Vite 2 and also count as a regression fix.
But I totally understand fixing the version until this is resolved 👍🏼

[FredKSchott]

LGTM either way, but would prefer to pin to an exact version!