chore(deps): update dependency triton-xpu to v3.8.0

[nmorgowicz]

This PR contains the following updates:

Package	Change	Age	Confidence
triton-xpu	==3.7.2 → ==3.8.0

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This PR has been generated by Mend Renovate CLI.

[nmorgowicz]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
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The artifact failure details are included below:

File name: uv.lock

Command failed: uv lock --upgrade-package triton-xpu
Using CPython 3.13.15 interpreter at: /opt/containerbase/tools/python/3.13.15/bin/python3
  × No solution found when resolving dependencies for split (markers:
  │ python_full_version == '3.13.*' and sys_platform == 'linux';
  │ included: persona-forge[xpu]; excluded: persona-forge[cuda12],
  │ persona-forge[cuda13], persona-forge[rocm]):
  ╰─▶ Because torch==2.13.0+xpu depends on triton-xpu==3.7.2 and
      persona-forge[xpu] depends on torch{sys_platform == 'linux'
      or sys_platform == 'win32'}==2.13.0, we can conclude that
      persona-forge[xpu] and triton-xpu{sys_platform == 'linux' or
      sys_platform == 'win32'}==3.8.0 are incompatible.
      And because persona-forge[xpu] depends on triton-xpu{sys_platform ==
      'linux' or sys_platform == 'win32'}==3.8.0 and your project requires
      persona-forge[xpu], we can conclude that your project's requirements
      are unsatisfiable.