Add Percival to list of solvers

[blegat]

Basic

• Check that the solver is a registered Julia package
• Check that the solver supports the long-term support release of Julia
• Check that the solver has a MathOptInterface wrapper
• Check that the tests call MOI.Test.runtests. Some test excludes are
  permissible, but the reason for skipping a particular test should be
  documented.
• Check that the README and/or documentation provides an example of how to
  use the solver with JuMP

Documentation

• Add a new row to the table in docs/src/installation.md

Optional

• Add package metadata to docs/packages.toml

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (96b4147) 98.37% compared to head (7d70b03) 98.37%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3567   +/-   ##
=======================================
  Coverage   98.37%   98.37%           
=======================================
  Files          38       38           
  Lines        5673     5673           
=======================================
  Hits         5581     5581           
  Misses         92       92           

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[odow]

Requires JuliaSmoothOptimizers/Percival.jl#153