Add explicit Any for all @attr functionexpr cases

[lgoettgens]

To prepare for Nemocas/AbstractAlgebra.jl#1782.

All authors of the corresponding code are invited to change the Any to a more specific type in a follow-up PR.

[codecov]

Codecov Report

Attention: Patch coverage is 86.36364% with 12 lines in your changes missing coverage. Please review.

Project coverage is 84.66%. Comparing base (629c37e) to head (6490ff7).
Report is 5 commits behind head on master.

Files with missing lines	Patch %	Lines
src/Modules/mpolyquo.jl	72.72%	3 Missing ⚠️
...ometry/Schemes/AffineSchemes/Objects/Attributes.jl	88.23%	2 Missing ⚠️
experimental/Schemes/src/AlgebraicCycles.jl	0.00%	1 Missing ⚠️
...ental/Schemes/src/MorphismFromRationalFunctions.jl	50.00%	1 Missing ⚠️
experimental/Schemes/src/WeilDivisor.jl	75.00%	1 Missing ⚠️
...try/Schemes/ProjectiveSchemes/Morphisms/Methods.jl	50.00%	1 Missing ⚠️
...ry/Schemes/ProjectiveSchemes/Objects/Attributes.jl	85.71%	1 Missing ⚠️
src/Modules/mpoly-localizations.jl	75.00%	1 Missing ⚠️
src/Rings/primary_decomposition_helpers.jl	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4070      +/-   ##
==========================================
+ Coverage   84.17%   84.66%   +0.48%     
==========================================
  Files         600      600              
  Lines       82568    82627      +59     
==========================================
+ Hits        69503    69956     +453     
+ Misses      13065    12671     -394     

Files with missing lines	Coverage Δ
experimental/GModule/src/GModule.jl	63.02% <100.00%> (+2.43%)	⬆️
experimental/Schemes/src/CoherentSheaves.jl	77.81% <100.00%> (ø)
...perimental/Schemes/src/CoveredProjectiveSchemes.jl	88.30% <100.00%> (ø)
experimental/Schemes/src/CoveredScheme.jl	94.50% <100.00%> (ø)
experimental/Schemes/src/IdealSheaves.jl	79.93% <100.00%> (+1.21%)	⬆️
experimental/Schemes/src/elliptic_surface.jl	91.23% <100.00%> (+3.96%)	⬆️
...y/Schemes/AffineAlgebraicSet/Objects/Properties.jl	100.00% <100.00%> (ø)
...metry/Schemes/CoveredSchemes/Objects/Attributes.jl	86.15% <100.00%> (ø)
src/AlgebraicGeometry/Schemes/Gluing/Attributes.jl	92.59% <100.00%> (ø)
.../Schemes/PrincipalOpenSubset/Objects/Properties.jl	100.00% <100.00%> (ø)
... and 17 more

... and 31 files with indirect coverage changes