Bump @astrojs/language-server from 2.3.3 to 2.4.0 in /language-server (…

…#49)

Bumps [@astrojs/language-server](https://github.com/withastro/language-tools/tree/HEAD/packages/language-server) from 2.3.3 to 2.4.0.
- [Release notes](https://github.com/withastro/language-tools/releases)
- [Changelog](https://github.com/withastro/language-tools/blob/main/packages/language-server/CHANGELOG.md)
- [Commits](https://github.com/withastro/language-tools/commits/@astrojs/[email protected]/packages/language-server)

---
updated-dependencies:
- dependency-name: "@astrojs/language-server"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>