Add uv.lock and pylock.toml to gitignore

[Soheab]

Summary

Useful for users that may use the tools that create these.

• https://packaging.python.org/en/latest/specifications/pylock-toml
• https://docs.astral.sh/uv/concepts/projects/layout/#the-lockfile

Checklist

• If code changes were made then they have been tested.
  • I have updated the documentation to reflect the changes.
• This PR fixes an issue.
• This PR adds something new (e.g. new method or parameters).
• This PR is a breaking change (e.g. methods or parameters removed/renamed)
• This PR is not a code change (e.g. documentation, README, ...)