Add Bq test problems

[katharina-ott]

In a Nutshell

Add test problems for BQ from Genz-family and various others.

Detailed Description

• includes option to integrate against uniform or Gaussian measure

Related Issues

Closes #585

[codecov[bot]]

Codecov Report

Merging #838 (4e6fff0) into main (b9b7f3c) will increase coverage by 0.29%. The diff coverage is 99.35%.

@@            Coverage Diff             @@
##             main     #838      +/-   ##
==========================================
+ Coverage   91.17%   91.47%   +0.29%     
==========================================
  Files         218      220       +2     
  Lines        8241     8552     +311     
  Branches     1068     1145      +77     
==========================================
+ Hits         7514     7823     +309     
- Misses        499      500       +1     
- Partials      228      229       +1     

Files	Coverage Δ
src/probnum/problems/zoo/quad/__init__.py	100.00% <100.00%> (ø)
...probnum/problems/zoo/quad/_quadproblems_uniform.py	100.00% <100.00%> (ø)
...robnum/problems/zoo/quad/_quadproblems_gaussian.py	96.61% <96.61%> (ø)