Consider extensions on Julia 1.9+

[mcabbott]

I think the first candidate is CovarianceEstimation, as this loads many things (https://juliahub.com/ui/Packages/CovarianceEstimation/fYCdH/0.2.9?page=1), and the second ChainRulesCore.

julia> @time_imports using NamedDims
      0.5 ms  Compat
      0.3 ms  Compat → CompatLinearAlgebraExt
     16.6 ms  ChainRulesCore
      0.7 ms  DataAPI
     24.9 ms  DataStructures  # via CovarianceEstimation
      0.6 ms  SortingAlgorithms
      3.4 ms  Missings
               ┌ 0.0 ms DocStringExtensions.__init__() 
     18.1 ms  DocStringExtensions 94.15% compilation time  # via CovarianceEstimation
      3.8 ms  IrrationalConstants  # via CovarianceEstimation
      0.4 ms  LogExpFunctions
      0.4 ms  LogExpFunctions → LogExpFunctionsChainRulesCoreExt
      0.3 ms  StatsAPI
      9.9 ms  StatsBase  # via CovarianceEstimation
      0.7 ms  CovarianceEstimation
      1.4 ms  AbstractFFTs
      0.3 ms  AbstractFFTs → AbstractFFTsChainRulesCoreExt
               ┌ 0.0 ms Requires.__init__() 
      0.4 ms  Requires
               ┌ 0.1 ms NamedDims.__init__() 
     19.9 ms  NamedDims