TTFX is slow

[asinghvi17]

 @time_imports using NaturalEarth
      1.2 ms  Extents
      2.9 ms  GeoFormatTypes
      3.8 ms  GeoInterface
      0.3 ms  PrecompileTools
      5.9 ms  RecipesBase
      0.4 ms  GeoInterfaceRecipes
               ┌ 0.0 ms Parsers.__init__()
     28.4 ms  Parsers 36.75% compilation time
      3.7 ms  StructTypes
     19.5 ms  JSON3
      0.4 ms  DataValueInterfaces
      0.5 ms  DataAPI
      0.2 ms  IteratorInterfaceExtensions
      0.2 ms  TableTraits
      2.2 ms  OrderedCollections
      5.2 ms  Tables
     62.3 ms  GeoJSON
      0.5 ms  Scratch
               ┌ 2.1 ms NaturalEarth.__init__()
      7.4 ms  NaturalEarth

julia> @time naturalearth("admin_0_countries", 10)
  2.445488 seconds (3.90 M allocations: 229.510 MiB, 1.94% gc time, 38.96% compilation time)
FeatureCollection with 258 Features

julia> @time naturalearth("admin_0_countries", 10)
  0.065051 seconds (270.78 k allocations: 38.551 MiB, 10.15% gc time)
FeatureCollection with 258 Features

Probably needs:

• precompile statements in NaturalEarth.jl
• precompile statements in Parsers.jl/GeoJSON.jl