Update torchvision requirement from <0.18 to <0.19

Updates the requirements on [torchvision](https://github.com/pytorch/vision) to permit the latest version.
- [Release notes](https://github.com/pytorch/vision/releases)
- [Commits](pytorch/vision@v0.1.5...v0.18.0)

---
updated-dependencies:
- dependency-name: torchvision
  dependency-type: direct:production
...

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

requirements.txt

@@ -1,4 +1,4 @@
-torchvision <0.18
+torchvision <0.19
 jsonargparse[signatures]
 wandb <0.17.0
 gradio <=3.45.2