Bump @codemirror/legacy-modes from 6.4.2 to 6.5.1

Bumps [@codemirror/legacy-modes](https://github.com/codemirror/legacy-modes) from 6.4.2 to 6.5.1.
- [Changelog](https://github.com/codemirror/legacy-modes/blob/main/CHANGELOG.md)
- [Commits](https://github.com/codemirror/legacy-modes/compare/6.4.2...6.5.1

)

---
updated-dependencies:
- dependency-name: "@codemirror/legacy-modes"
  dependency-version: 6.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>