chore(deps): update dependency python to ~=3.15.0a8

[renovate]

This PR contains the following updates:

Package	Update	Change
python (source)	minor	~=3.14.0 → ~=3.15.0a8

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Configuration

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  • At any time (no schedule defined)
• Automerge
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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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[renovate]

⚠️ 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
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: pixi.lock

ExecError: Command failed: pixi lock --no-progress --color=never --quiet
Error:   × failed to solve requirements of environment 'default' for platform 'osx-
  │ arm64'
  ├─▶   × failed to solve the environment
  │   
  ╰─▶ Cannot solve the request because of: No candidates were found for python
      ~=3.15.0a8.