chore(deps): bump torch in /backend/python/diffusers in the pip group

Bumps the pip group in /backend/python/diffusers with 1 update: torch.


Updates `torch` from 2.3.1+cxx11.abi to 2.6.0+cu118

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.6.0+cu118
  dependency-type: direct:production
  dependency-group: pip
...

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

backend/python/diffusers/requirements-cpu.txt

@@ -5,5 +5,5 @@ accelerate
 compel
 peft
 sentencepiece
-torch==2.4.1
+torch==2.6.0+cu118
 optimum-quanto

backend/python/diffusers/requirements-cublas11.txt

@@ -1,5 +1,5 @@
 --extra-index-url https://download.pytorch.org/whl/cu118
-torch==2.4.1+cu118
+torch==2.6.0+cu118
 diffusers
 opencv-python
 transformers

backend/python/diffusers/requirements-cublas12.txt

@@ -1,4 +1,4 @@
-torch==2.4.1
+torch==2.6.0+cu118
 diffusers
 opencv-python
 transformers

backend/python/diffusers/requirements-hipblas.txt

@@ -1,5 +1,5 @@
 --extra-index-url https://download.pytorch.org/whl/rocm6.0
-torch==2.3.1+rocm6.0
+torch==2.6.0+cu118
 torchvision==0.18.1+rocm6.0
 diffusers
 opencv-python

backend/python/diffusers/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==2.6.0+cu118
 torchvision==0.18.1+cxx11.abi
 oneccl_bind_pt==2.3.100+xpu
 optimum[openvino]