Bump pytorch-lightning from 1.4.6 to 2.4.0

Bumps [pytorch-lightning](https://github.com/Lightning-AI/lightning) from 1.4.6 to 2.4.0.
- [Release notes](https://github.com/Lightning-AI/lightning/releases)
- [Commits](Lightning-AI/pytorch-lightning@1.4.6...2.4.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,2 +1,2 @@
-pytorch-lightning==1.4.6
+pytorch-lightning==2.4.0
 wandb==0.12.2