Bump torch in /doc/source/ray-overview/examples/e2e-timeseries

Bumps [torch](https://github.com/pytorch/pytorch) from 2.3.0 to 2.8.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.3.0...v2.8.0)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.8.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

doc/source/ray-overview/examples/e2e-timeseries/requirements.txt

@@ -1,9 +1,61 @@
---find-links https://data.pyg.org/whl/torch-2.3.0+cpu.html
+aiobotocore==2.5.4
+aiohappyeyeballs==2.6.2
 aiohttp==3.11.16
+aioitertools==0.13.0
+aiosignal==1.4.0
+async-timeout==5.0.1
+attrs==26.1.0
+botocore==1.31.17
+fastjsonschema==2.21.2
+filelock==3.29.1
+frozenlist==1.8.0
+fsspec==2023.5.0
+idna==3.18
+jinja2==3.1.6
+jmespath==1.1.0
+joblib==1.5.3
+jsonschema==4.26.0
+jsonschema-specifications==2025.9.1
+jupyter-core==5.9.1
+markupsafe==3.0.3
+mpmath==1.3.0
+multidict==6.7.1
 nbformat==5.9.2
+networkx==3.4.2
 numpy==1.26.4
+nvidia-cublas-cu12==12.8.4.1
+nvidia-cuda-cupti-cu12==12.8.90
+nvidia-cuda-nvrtc-cu12==12.8.93
+nvidia-cuda-runtime-cu12==12.8.90
+nvidia-cudnn-cu12==9.10.2.21
+nvidia-cufft-cu12==11.3.3.83
+nvidia-cufile-cu12==1.13.1.3
+nvidia-curand-cu12==10.3.9.90
+nvidia-cusolver-cu12==11.7.3.90
+nvidia-cusparse-cu12==12.5.8.93
+nvidia-cusparselt-cu12==0.7.1
+nvidia-nccl-cu12==2.27.3
+nvidia-nvjitlink-cu12==12.8.93
+nvidia-nvtx-cu12==12.8.90
 pandas==2.3.0
+platformdirs==4.10.0
+propcache==0.5.2
+python-dateutil==2.9.0.post0
+pytz==2026.2
 pyyaml==6.0.1
+referencing==0.37.0
+rpds-py==0.30.0
 s3fs==2023.5.0
 scikit-learn==1.3.2
-torch==2.3.0
+scipy==1.15.3
+six==1.17.0
+sympy==1.14.0
+threadpoolctl==3.6.0
+torch==2.8.0
+traitlets==5.15.1
+triton==3.4.0
+typing-extensions==4.15.0
+tzdata==2026.2
+urllib3==1.26.20
+wrapt==1.17.3
+yarl==1.24.2