Store Algorithm in a Box inside Minimizer

[denehoffman]

Also adds Minimizer::new_from_box to easily construct Minimizers from Box<dyn Algorithm>

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 70.37%. Comparing base (97dacca) to head (c43c8de).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/lib.rs	90.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #42      +/-   ##
==========================================
+ Coverage   70.12%   70.37%   +0.24%     
==========================================
  Files           8        8              
  Lines        1811     1826      +15     
==========================================
+ Hits         1270     1285      +15     
  Misses        541      541              

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[github-actions]

Benchmark for 786b699

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Test	Base	PR	%
nelder-mead: rosenbrock/Adaptive/2	33.1±0.37µs	32.8±0.49µs	-0.91%
nelder-mead: rosenbrock/Adaptive/3	85.3±2.04µs	85.2±1.22µs	-0.12%
nelder-mead: rosenbrock/Adaptive/4	166.4±3.91µs	167.1±5.01µs	+0.42%
nelder-mead: rosenbrock/Adaptive/5	264.8±4.90µs	266.4±5.43µs	+0.60%
nelder-mead: rosenbrock/Standard/2	33.3±0.56µs	32.7±0.72µs	-1.80%
nelder-mead: rosenbrock/Standard/3	70.3±1.85µs	70.7±1.00µs	+0.57%
nelder-mead: rosenbrock/Standard/4	144.7±2.42µs	145.8±1.49µs	+0.76%
nelder-mead: rosenbrock/Standard/5	241.3±10.44µs	240.8±1.98µs	-0.21%