Upgrade: [dependabot] - Update semantic-text-splitter requirement

Updates the requirements on [semantic-text-splitter](https://github.com/benbrandt/text-splitter) to permit the latest version.
- [Release notes](https://github.com/benbrandt/text-splitter/releases)
- [Changelog](https://github.com/benbrandt/text-splitter/blob/main/CHANGELOG.md)
- [Commits](benbrandt/text-splitter@v0.11.0...v0.27.0)

---
updated-dependencies:
- dependency-name: semantic-text-splitter
  dependency-version: 0.27.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]