[BUG] LuxorGraphPlot

There seems to be a breaking change from LuxorGraphPlot causing CI to fail due to the missing function `unitless_show_graph`

https://github.com/QuEraComputing/Bloqade.jl/actions/runs/6772549660/job/18405401447#step:6:447

Can we make sure not to tag a breaking change in the patch version in the future?

cc: @GiggleLiu 