Lsst-rsp

Bug fixes

- Fix working directory for `git config --get` when checking whether a local Git repository needs to be updated.

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New features

- Add an `lsst.rsp.startup` module and `launch-rubin-jupyterlab` entry point to replace most of the `runlab.sh` script in sciplat-lab. This handles startup and configuration of the Rubin-customized JupyterLab.

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Bug fixes

- Raise `ValueError` for invalid arguments to utility functions rather than bare `Exception`.

Other changes

- lsst-rsp now uses the [Ruff](https://beta.ruff.rs/docs/) linter and formatter instead of Black, flake8, isort, and pydocstyle.
- lsst-rsp now uses [uv](https://github.com/astral-sh/uv) to set up a development environment.