Improve precompilation with nospecialize and some more SnoopPrecompile

[odow]

x-ref jump-dev/MathOptInterface.jl#2226

julia> @time @eval begin
           let
               model = Model(HiGHS.Optimizer)
               @variable(model, x >= 0)
               @variable(model, 0 <= y <= 3)
               @objective(model, Min, 12x + 20y)
               @constraint(model, c1, 6x + 8y >= 100)
               @constraint(model, c2, 7x + 12y >= 120)
               optimize!(model)
           end
       end;
Running HiGHS 1.4.0 [date: 1970-01-01, git hash: bcf6c0b22]
Copyright (c) 2022 ERGO-Code under MIT licence terms
Presolving model
2 rows, 2 cols, 4 nonzeros
2 rows, 2 cols, 4 nonzeros
Presolve : Reductions: rows 2(-0); columns 2(-0); elements 4(-0) - Not reduced
Problem not reduced by presolve: solving the LP
Using EKK dual simplex solver - serial
  Iteration        Objective     Infeasibilities num(sum)
          0     0.0000000000e+00 Pr: 2(220) 0s
          2     2.0500000000e+02 Pr: 0(0) 0s
Model   status      : Optimal
Simplex   iterations: 2
Objective value     :  2.0500000000e+02
HiGHS run time      :          0.00
  0.639640 seconds (436.39 k allocations: 29.309 MiB, 98.57% compilation time)

[codecov]

Codecov Report

Base: 98.06% // Head: 98.06% // No change to project coverage 👍

Coverage data is based on head (20c6d89) compared to base (83b10b9).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    jump-dev/JuMP.jl#3195   +/-   ##
=======================================
  Coverage   98.06%   98.06%           
=======================================
  Files          33       33           
  Lines        4600     4600           
=======================================
  Hits         4511     4511           
  Misses         89       89           

Impacted Files	Coverage Δ
src/optimizer_interface.jl	95.87% <ø> (ø)
src/JuMP.jl	96.82% <100.00%> (ø)

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