chore(deps): bump the pip group across 3 directories with 2 updates

Bumps the pip group with 2 updates in the /backend/python/chatterbox directory: torch and [transformers](https://github.com/huggingface/transformers).
Bumps the pip group with 1 update in the /backend/python/faster-whisper directory: torch.
Bumps the pip group with 1 update in the /backend/python/kokoro directory: torch.


Updates `torch` from 2.3.1+cxx11.abi to 2.7.0+cu118

Updates `transformers` from 4.46.3 to 4.50.0
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](https://github.com/huggingface/transformers/compare/v4.46.3...v4.50.0)

Updates `torch` from 2.3.1+cxx11.abi to 2.7.0+cu118

Updates `torch` from 2.3.1+cxx11.abi to 2.7.0+cu118

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.7.0+cu118
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: transformers
  dependency-version: 4.50.0
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: torch
  dependency-version: 2.7.0+cu118
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: torch
  dependency-version: 2.7.0+cu118
  dependency-type: direct:production
  dependency-group: pip
...

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

backend/python/faster-whisper/requirements-intel.txt

@@ -1,6 +1,6 @@
 --extra-index-url https://pytorch-extension.intel.com/release-whl/stable/xpu/us/
 intel-extension-for-pytorch==2.3.110+xpu
-torch==2.3.1+cxx11.abi
+torch==2.7.0+cu118
 oneccl_bind_pt==2.3.100+xpu
 optimum[openvino]
 faster-whisper