inspect clone targets

[IanButterworth]

julia> info_cachefile("Pkg")
Contents of /Users/ian/.julia/juliaup/julia-nightly/share/julia/compiled/v1.12/Pkg/tUTdb_myMUk.dylib:
  modules: Any[Pkg.MiniProgressBars, Pkg.GitTools, Pkg.PlatformEngines, Pkg.Versions, Pkg.Registry, Pkg.Resolve, Pkg.Types.FuzzySorting, Pkg.Types, Pkg.BinaryPlatforms, Pkg.Artifacts, Pkg.Operations, Pkg.API, Pkg.REPLMode, Pkg]
  init order: Any[Pkg]
  529 external methods
  16850 new specializations of external methods (Base 79.9%, Base.Broadcast 7.6%, Base.Sort 3.7%, ...)
  1585 external methods with new roots
  33049 external targets
  24615 edges
  file size:   47139456 (44.956 MiB)
  Segment sizes (bytes):
    system:      19914892 ( 47.10%)
    isbits:      19778248 ( 46.78%)
    symbols:        80497 (  0.19%)
    tags:          336949 (  0.80%)
    relocations:  2082887 (  4.93%)
    gvars:          41200 (  0.10%)
    fptrs:          44632 (  0.11%)
  Image targets: 
    generic; flags=0; features_en=()

and on 1.9

julia> info_cachefile("Colors")
Contents of /Users/ian/.julia/compiled/v1.9/Colors/NKjaT_0tYVE.dylib:
  modules: Any[Colors]
  68 external methods
  3795 new specializations of external methods (Base 47.4%, ColorTypes 27.6%, Base.Broadcast 11.2%, ...)
  366 external methods with new roots
  5320 external targets
  3978 edges
  file size:   4628192 (4.414 MiB)
  Segment sizes (bytes):
    system:      2004020 ( 46.53%)
    isbits:      2030705 ( 47.15%)
    symbols:       13837 (  0.32%)
    tags:          29498 (  0.68%)
    relocations:  219612 (  5.10%)
    gvars:          5040 (  0.12%)
    fptrs:          4232 (  0.10%)
  Image targets: 
    (parsing image targets not supported in this version of Julia)

Closes #3

[IanButterworth]

@giordano FYI