Log Message:
tex-l3experimental: update to 2024

### Added
- `\draw_path_replace_bb:`

### Changed
- `l3opacity` is sped up a bit
- Support fp expr in `\draw_path_corner_arc:nn`

### Fixed
- Interaction between drawing rotation and shift
- Shifting not applied to `\draw_path_rectangle:n`
- Out of boundary lines drawn by `\draw_path_grid:nnn`
- Two softpath markers with the same meaning in l3draw

### Removed
- `l3sys-shell` in favor of `l3sys-query` methods added to `l3kernel`