chore(deps): bump faster-whisper from 1.0.2 to 1.0.3 in /backend

Bumps [faster-whisper](https://github.com/SYSTRAN/faster-whisper) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/SYSTRAN/faster-whisper/releases)
- [Commits](https://github.com/SYSTRAN/faster-whisper/compare/v1.0.2...v1.0.3)

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

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

backend/requirements.txt

@@ -60,7 +60,7 @@ rapidocr-onnxruntime==1.3.24
 fpdf2==2.7.9
 rank-bm25==0.2.2
 
-faster-whisper==1.0.2
+faster-whisper==1.0.3
 
 PyJWT[crypto]==2.9.0
 authlib==1.3.1