Bump tomlkit from 0.13.2 to 0.15.0

Bumps [tomlkit](https://github.com/python-poetry/tomlkit) from 0.13.2 to 0.15.0.
- [Release notes](https://github.com/python-poetry/tomlkit/releases)
- [Changelog](https://github.com/python-poetry/tomlkit/blob/master/CHANGELOG.md)
- [Commits](https://github.com/python-poetry/tomlkit/compare/0.13.2...0.15.0)

---
updated-dependencies:
- dependency-name: tomlkit
  dependency-version: 0.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -10,7 +10,7 @@ rich==13.9.4
 toml==0.10.2
 translators==5.9.9
 pyttsx3==2.98
-tomlkit==0.13.2
+tomlkit==0.15.0
 Flask==3.1.1
 clean-text==0.6.0
 unidecode==1.4.0