Bump @codemirror/language from 6.12.1 to 6.12.3

Bumps [@codemirror/language](https://github.com/codemirror/language) from 6.12.1 to 6.12.3.
- [Changelog](https://github.com/codemirror/language/blob/main/CHANGELOG.md)
- [Commits](codemirror/language@6.12.1...6.12.3)

---
updated-dependencies:
- dependency-name: "@codemirror/language"
  dependency-version: 6.12.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]