👷 build: update nox

[nstarman]

No description provided.

[Copilot]

Pull request overview

This PR updates the build and development tooling infrastructure, primarily migrating nox sessions to use nox-uv for improved dependency management. It also adds mypy for type checking and reorganizes the project configuration.

Key changes:

• Integrates nox-uv for better UV package manager integration in nox sessions
• Adds mypy to the linting pipeline for static type checking
• Reorganizes pyproject.toml tool configurations for better readability
• Updates CI workflows to use the new nox-based approach

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
uv.lock	Adds new dependencies: build, mypy, nox-uv, librt, mypy-extensions, pathspec, and pyproject-hooks
pyproject.toml	Adds build and nox dependency groups, includes mypy in lint group, reorganizes tool configuration sections for better logical grouping
noxfile.py	Refactors to use nox-uv with @session decorator, replaces direct uv run commands with session methods, adds mypy session
src/diffraxtra/_src/diffeq_abc.py	Removes strict=True parameter from eqx.Module (likely for compatibility)
.pre-commit-config.yaml	Updates codespell to read configuration from pyproject.toml instead of inline args
.github/workflows/ci.yml	Updates to use nox sessions instead of direct uv/pytest commands, renames job from checks to tests, adds status check job
.github/workflows/cd.yml	Adds persist-credentials: false for security hardening

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (main@7295ac7). Learn more about missing BASE report.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #29   +/-   ##
=======================================
  Coverage        ?   97.82%           
=======================================
  Files           ?        5           
  Lines           ?      184           
  Branches        ?        0           
=======================================
  Hits            ?      180           
  Misses          ?        4           
  Partials        ?        0           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.