build(deps): bump deepl from 1.27.0 to 1.28.0

Bumps [deepl](https://github.com/DeepLcom/deepl-python) from 1.27.0 to 1.28.0.
- [Release notes](https://github.com/DeepLcom/deepl-python/releases)
- [Changelog](https://github.com/DeepLcom/deepl-python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/DeepLcom/deepl-python/compare/v1.27.0...v1.28.0)

---
updated-dependencies:
- dependency-name: deepl
  dependency-version: 1.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -13,7 +13,7 @@ cx-Freeze==8.5.3
 cx-Logging==3.2.1
 decorator==5.2.1
 demoji==1.1.0
-deepl==1.27.0
+deepl==1.28.0
 future==1.0.0
 idna==3.11
 importlib-metadata==8.7.1