Add uv-based dependency sorting script and sort dependencies

[nanxstats]

The dependencies listed in pyproject.toml should be in alphabetical orders.

This PR:

• Add scripts/sort_deps.py to re-add dependencies with uv add for sorted dependencies in pyproject.toml.
• Run the script to sort dependencies in the existing pyproject.toml.

[Copilot]

Pull request overview

This PR introduces automation for maintaining alphabetically sorted dependencies in pyproject.toml. A new Python script leverages uv's built-in sorting by removing and re-adding dependencies, and has been applied to sort the existing dependencies.

• Added scripts/sort_deps.py that uses uv commands to automatically sort dependencies
• Sorted all dependencies in pyproject.toml alphabetically
• Updated both changelog files to document the maintenance change

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 4 comments.

File	Description
scripts/sort_deps.py	New script that parses pyproject.toml and uses uv remove/add commands to sort dependencies alphabetically
pyproject.toml	Dependencies and dev dependencies sorted alphabetically; environment markers normalized by uv
docs/changelog.md	Added entry documenting the new sorting script and its application
CHANGELOG.md	Added entry documenting the new sorting script and its application

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[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

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