Update cspdk 0.17.0

[joamatab]

Summary by Sourcery

Update core dependencies, refresh pre-commit tooling, and adjust training notebook for compatibility with Python 3.12 and pathlib-based file handling

Enhancements:

• Bump cspdk dependency to 0.17.0 and gdsfactoryplus to >=0.46.1
• Upgrade the ruff pre-commit hook to v0.11.0
• Modify the gdsfactory-training notebook to use pathlib for S-parameter file paths and update kernel display name and Python version

Build:

• Regenerate uv.lock to reflect updated dependencies

[sourcery-ai]

Reviewer's Guide

This PR upgrades cspdk to v0.17.0 (and gdsfactoryplus to v0.46.1), refreshes the lockfile, updates the example notebook to use pathlib for S-parameter exports and modernizes its kernel metadata, and bumps the Ruff pre-commit hook to v0.11.0.

File-Level Changes

Change	Details	Files
Enhanced the example notebook for path handling and metadata consistency	Added a pathlib import and blank line Refactored write_sparameters call to wrap filepath with pathlib.Path Updated kernelspec display_name and Python version metadata	examples/notebooks/gdsfactory-training/30_mzi.ipynb
Bumped project dependencies and regenerated lockfile	Updated cspdk requirement from 0.16.1 to 0.17.0 Updated gdsfactoryplus requirement from 0.42.2 to 0.46.1 Refreshed uv.lock to reflect updated dependencies	pyproject.toml uv.lock
Upgraded the Ruff pre-commit hook	Bumped ruff hook revision from v0.8.4 to v0.11.0	.pre-commit-config.yaml

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