chore(deps): bump torch CPU wheels to 2.12.1 (#10969)

* chore(deps): bump the pip group across 6 directories with 1 update

Bumps the pip group with 1 update in the /backend/python/ace-step directory: torch.
Bumps the pip group with 1 update in the /backend/python/llama-cpp-quantization directory: torch.
Bumps the pip group with 1 update in the /backend/python/longcat-video directory: torch.
Bumps the pip group with 1 update in the /backend/python/sglang directory: torch.
Bumps the pip group with 1 update in the /backend/python/trl directory: torch.
Bumps the pip group with 1 update in the /backend/python/vllm-omni directory: torch.


Updates `torch` from 2.10.0+rocm7.0 to 2.12.1+cpu

Updates `torch` from 2.10.0 to 2.12.1+cpu

Updates `torch` from 2.12.1 to 2.12.1+cu130

Updates `torch` from 2.9.0 to 2.12.1+cpu

Updates `torch` from 2.10.0 to 2.12.1+cpu

Updates `torch` from 2.7.0 to 2.12.1+cu130

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.12.1+cpu
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: torch
  dependency-version: 2.12.1+cpu
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: torch
  dependency-version: 2.12.1+cu130
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: torch
  dependency-version: 2.12.1+cpu
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: torch
  dependency-version: 2.12.1+cpu
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: torch
  dependency-version: 2.12.1+cu130
  dependency-type: direct:production
  dependency-group: pip
...

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

* fix(deps): preserve platform-specific torch requirements

Keep the 2.12.1 CPU bump only where uv resolves it cleanly, and restore ROCm, CUDA, MPS, and unrelated transformers constraints that Dependabot rewrote to incompatible wheel variants.

Assisted-by: Codex:gpt-5 [uv]

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: localai-org-maint-bot <306269227+localai-org-maint-bot@users.noreply.github.com>

Author: dependabot[bot]

backend/python/llama-cpp-quantization/requirements-cpu.txt

@@ -1,5 +1,5 @@
 --extra-index-url https://download.pytorch.org/whl/cpu
-torch==2.10.0
+torch==2.12.1
 transformers>=4.56.2
 huggingface-hub>=1.3.0
 sentencepiece

backend/python/sglang/requirements-cpu.txt

@@ -1,6 +1,6 @@
 --extra-index-url https://download.pytorch.org/whl/cpu
 accelerate
-torch==2.9.0
+torch==2.12.1
 torchvision
 torchaudio
 transformers