Bump pytorch-lightning from 1.4.1 to 1.4.2 (#75)

* Bump pytorch-lightning from 1.4.1 to 1.4.2

Bumps [pytorch-lightning](https://github.com/PyTorchLightning/pytorch-lightning) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/PyTorchLightning/pytorch-lightning/releases)
- [Changelog](https://github.com/PyTorchLightning/pytorch-lightning/blob/1.4.2/CHANGELOG.md)
- [Commits](Lightning-AI/pytorch-lightning@1.4.1...1.4.2)

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

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

* update

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Amog Kamsetty <[email protected]>

Author: dependabot[bot]

README.md

@@ -33,7 +33,7 @@ Here are the supported PyTorch Lightning versions:
 
 | Ray Lightning | PyTorch Lightning |
 |---|---|
-| 0.1 | 1.4.1 |
+| 0.1 | 1.4 |
 
 
 ## PyTorch Distributed Data Parallel Plugin on Ray

requirements-test.txt

@@ -4,7 +4,7 @@ flake8-comprehensions
 flake8-quotes
 yapf==0.23.0
 pytest
-pytorch-lightning==1.4.1
+pytorch-lightning==1.4.2
 lightning-bolts==0.3.3
 ray[tune]
 torch==1.8.1