[TambyVanderpooten] relax the tolerances used to compare objectives

[odow]

See #194

ret = solve_tamby_mokp(;
    p = 3,
    n = 100,
    instance = 5,
    optimizer = Gurobi.Optimizer,
    algorithm = MOA.TambyVanderpooten(),
)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.76%. Comparing base (b5bd81f) to head (dae8852).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #196   +/-   ##
=======================================
  Coverage   99.76%   99.76%           
=======================================
  Files          12       12           
  Lines        1304     1304           
=======================================
  Hits         1301     1301           
  Misses          3        3           

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