Bump torch from 2.0.0 to 2.1.2

Bumps [torch](https://github.com/pytorch/pytorch) from 2.0.0 to 2.1.2.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.0.0...v2.1.2)

---
updated-dependencies:
- dependency-name: torch
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -14,7 +14,7 @@ timeout-decorator
 scenedetect[opencv]==0.6
 decord
 #eva-decord  # use eva-decord instead of decord on Mac (https://github.com/dmlc/decord/issues/213)
-torch==2.0.0
+torch==2.1.2
 langdetect
 torchdata==0.6.0
 torchaudio==2.0.0