chore(deps): bump text-splitter from 0.4.3 to 0.4.4

Bumps [text-splitter](https://github.com/benbrandt/text-splitter) from 0.4.3 to 0.4.4.
- [Release notes](https://github.com/benbrandt/text-splitter/releases)
- [Changelog](https://github.com/benbrandt/text-splitter/blob/main/CHANGELOG.md)
- [Commits](benbrandt/text-splitter@v0.4.3...v0.4.4)

---
updated-dependencies:
- dependency-name: text-splitter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>