Implement the new internal algorithm interface

[janosg]

The changes are described here

The implementation of InternalOptimizationProblem will deviate a bit from the proposal but those changes do not affect users at all.

[review-notebook-app]

Check out this pull request on 

See visual diffs & provide feedback on Jupyter Notebooks.

---

Powered by ReviewNB

[codecov]

Codecov Report

Attention: Patch coverage is 95.86450% with 94 lines in your changes missing coverage. Please review.

Project coverage is 92.53%. Comparing base (24e44a7) to head (3776901).
Report is 1 commits behind head on 0.5.0.

Files	Patch %	Lines
src/optimagic/optimizers/pygmo_optimizers.py	95.18%	17 Missing ⚠️
...agic/optimization/internal_optimization_problem.py	95.22%	13 Missing ⚠️
src/optimagic/optimizers/nlopt_optimizers.py	94.46%	13 Missing ⚠️
src/optimagic/optimizers/scipy_optimizers.py	96.50%	11 Missing ⚠️
src/optimagic/optimization/history.py	86.95%	9 Missing ⚠️
src/optimagic/optimization/algorithm.py	96.55%	6 Missing ⚠️
src/optimagic/optimizers/ipopt.py	97.12%	6 Missing ⚠️
src/optimagic/optimization/multistart.py	88.57%	4 Missing ⚠️
src/optimagic/batch_evaluators.py	75.00%	3 Missing ⚠️
src/optimagic/optimizers/pounders.py	93.47%	3 Missing ⚠️
... and 7 more

Additional details and impacted files

@@            Coverage Diff             @@
##            0.5.0     #521      +/-   ##
==========================================
+ Coverage   90.88%   92.53%   +1.65%     
==========================================
  Files         107      109       +2     
  Lines       10644    11778    +1134     
==========================================
+ Hits         9674    10899    +1225     
+ Misses        970      879      -91     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.