Bump gtts from 2.5.3 to 2.5.4

Bumps [gtts](https://github.com/pndurette/gTTS) from 2.5.3 to 2.5.4.
- [Release notes](https://github.com/pndurette/gTTS/releases)
- [Changelog](https://github.com/pndurette/gTTS/blob/main/CHANGELOG.md)
- [Commits](pndurette/gTTS@v2.5.3...v2.5.4)

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

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

Author: dependabot[bot]

requirements_with_versions.txt

@@ -80,7 +80,7 @@ mutagen==1.47.0
 Unidecode==1.3.8
 Ball==0.2.9
 pynput==1.7.7
-gTTS==2.5.3
+gTTS==2.5.4
 ccxt==4.4.34
 fitz==0.0.1.dev2
 fastapi==0.115.6

text_to_audio/requirements.txt

@@ -1,2 +1,2 @@
-gTTS==2.5.3
+gTTS==2.5.4
 pygame==2.6.1