feat: added support for typescript@^6.0.0

[JoshuaKGoldberg]

Description

Closes #120.

Adds || ^6.0.0 to the typescript catalog range.

I wasn't sure what to do about testing in CI (do you want a matrix of TS versions?) so I didn't add anything.

[changeset-bot]

🦋 Changeset detected

Latest commit: 0b3df35

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

This PR includes changesets to release 5 packages

Name	Type
@ec-ts/twoslash	Patch
@ec-ts/twoslash-vue	Patch
@ec-ts/vfs	Patch
css-js-gen	Patch
expressive-code-twoslash	Patch

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[michaelfaith]

@JoshuaKGoldberg Is this ready to review? (It's still in draft)

[JoshuaKGoldberg]

I don't recall 😅 let's say, no blockers?

[Adammatthiesen]

This is a good start, though since this repository also forks the core Twoslash, there is some changes that the main twoslash (Part of what i had been waiting for before starting this process) included during their v6 upgrade... That we want to be sure to get as well!

twoslashes/twoslash#86

[michaelfaith]

The code change would be here:

expressive-code-twoslash/packages/@ec-ts/twoslash/src/core.ts

Lines 114 to 118 in 7be325c

	const meta: TwoslashReturnMeta = {
	extension: typesToExtension(extension),
	compilerOptions: {
	...defaultCompilerOptions,
	baseUrl: fsRoot,