Change to using GraphMakie.jl

[Affie]

GraphPlot.jl is not actively maintained and currently CI is broken on #1116 because it's compat is outdated.

[dehann]

I'm fine to change to another Makie.jl. Should we not move this issue to Arena.jl?

[Affie]

Should we not move this issue to Arena.jl?

No, this is to replace the plotDFG extension in DFG, I like it in DFG for the convenience.