Make new versions of AA, Nemo, Hecke available

[lgoettgens]

This PR collects everything that has to be adapted to keep master green.

GroupsCore: includes and thus closes #3139, closes #3070
Padics: includes and thus closes #3196

[skip ci]

[joschmitt]

Somebody else has to cherry-pick 0c0e8c8 . I don't have "write" rights.

[lgoettgens]

Somebody else has to cherry-pick 0c0e8c8 . I don't have "write" rights.

I do that once I come across this on my list.

[fingolfin]

Yeah and we'll likely (?) need #3196 and #3139 and probably more...

[lgoettgens]

Local testing against oscar-system/Singular.jl@f5db183 succeeds now. So I think the only thing missing now is a Singular.jl release (and adjustments to everything else contained in there, e.g. oscar-system/Singular.jl#764).

[codecov]

Codecov Report

Merging #3231 (a984dab) into master (4b3ed0e) will increase coverage by 0.01%.
Report is 3 commits behind head on master.
The diff coverage is 92.04%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3231      +/-   ##
==========================================
+ Coverage   81.63%   81.65%   +0.01%     
==========================================
  Files         546      546              
  Lines       73163    73102      -61     
==========================================
- Hits        59730    59691      -39     
+ Misses      13433    13411      -22     

Files	Coverage Δ
...perComplexes/src/Morphisms/simplified_complexes.jl	95.49% <100.00%> (ø)
experimental/ExteriorAlgebra/ExteriorAlgebra.jl	100.00% <100.00%> (ø)
experimental/GModule/GaloisCohomology.jl	63.91% <100.00%> (ø)
experimental/LieAlgebras/src/LieAlgebras.jl	100.00% <ø> (ø)
experimental/LinearQuotients/src/cox_rings.jl	89.37% <100.00%> (ø)
...perimental/LinearQuotients/src/linear_quotients.jl	94.73% <100.00%> (ø)
.../MatroidRealizationSpaces/src/realization_space.jl	85.42% <ø> (ø)
experimental/ModStd/ModStdQt.jl	49.55% <100.00%> (ø)
...ntal/QuadFormAndIsom/src/lattices_with_isometry.jl	99.47% <100.00%> (ø)
experimental/Schemes/Auxiliary.jl	94.38% <100.00%> (ø)
... and 28 more

... and 3 files with indirect coverage changes