Cache utilities results

[MateuszKubuszok]

Caching inside a macro:

• summoning Transformers/PartialTransformers/OuterTransformers
• resolving IterableOrArray/ProductType/SealedHierchies/ValueTypes
• resolving OptionalValue/TotallyBuildIterable/PartiallyBuildIterable

The change is not tremendous but we can try it and ask for feedback - I cannot see regression in compile time, so it should be safe (at least not harmful).

[codecov]

Codecov Report

Attention: Patch coverage is 86.66667% with 10 lines in your changes missing coverage. Please review.

Project coverage is 86.99%. Comparing base (1db5076) to head (17090e3).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
...former/integrations/PartialOuterTransformers.scala	0.00%	4 Missing ⚠️
...nsformer/integrations/TotalOuterTransformers.scala	0.00%	3 Missing ⚠️
...d/chimney/internal/compiletime/ExprsPlatform.scala	71.42%	2 Missing ⚠️
...ernal/compiletime/datatypes/IterableOrArrays.scala	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #691      +/-   ##
==========================================
+ Coverage   86.92%   86.99%   +0.06%     
==========================================
  Files         183      183              
  Lines        8185     8128      -57     
  Branches      785      793       +8     
==========================================
- Hits         7115     7071      -44     
+ Misses       1070     1057      -13     

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