Add osborn2

[tmigot]

This is connected to #115

https://bitbucket.org/optrove/sif/src/master/OSBORNE2.SIF

[codecov]

Codecov Report

Merging #147 (e7b1bf9) into main (221c00e) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #147   +/-   ##
=======================================
  Coverage   99.57%   99.58%           
=======================================
  Files         658      667    +9     
  Lines        5677     5734   +57     
=======================================
+ Hits         5653     5710   +57     
  Misses         24       24           

Impacted Files	Coverage Δ
src/ADNLPProblems/osborne2.jl	100.00% <100.00%> (ø)
src/Meta/osborne2.jl	100.00% <100.00%> (ø)
src/PureJuMP/osborne2.jl	100.00% <100.00%> (ø)
src/PureJuMP/woods.jl	100.00% <0.00%> (ø)
src/ADNLPProblems/woods.jl	100.00% <0.00%> (ø)
src/PureJuMP/jennrichsampson.jl	100.00% <0.00%> (ø)
src/Meta/powellbs.jl	100.00% <0.00%> (ø)
src/PureJuMP/powellbs.jl	100.00% <0.00%> (ø)
src/Meta/jennrichsampson.jl	100.00% <0.00%> (ø)
src/ADNLPProblems/powellbs.jl	100.00% <0.00%> (ø)
... and 1 more

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