Bump pytorch-lightning from 1.9.0 to 2.4.0

Bumps [pytorch-lightning](https://github.com/Lightning-AI/lightning) from 1.9.0 to 2.4.0.
- [Release notes](https://github.com/Lightning-AI/lightning/releases)
- [Commits](Lightning-AI/pytorch-lightning@1.9.0...2.4.0)

---
updated-dependencies:
- dependency-name: pytorch-lightning
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -21,7 +21,7 @@ huggingface_hub==0.12.1
 torchaudio==0.13.1
 pydub==0.25.1
 ffmpeg-python==0.2.0
-pytorch_lightning==1.9.0
+pytorch_lightning==2.4.0
 einops==0.6.0
 sentencepiece==0.1.97
 transformers[flax]==4.26.1