Performance tweaks

[rafaqz]

A few performance tweaks from profiling.

• single argument map is better over constant prop
• any is awful over tuples, any(map(... is better
• _cat stopped inferring. _cat_t infers.

[codecov-commenter]

Codecov Report

Merging #387 (bd28d08) into main (d29b530) will increase coverage by 0.00%. The diff coverage is 66.66%.

@@           Coverage Diff           @@
##             main     #387   +/-   ##
=======================================
  Coverage   90.42%   90.43%           
=======================================
  Files          35       35           
  Lines        2297     2299    +2     
=======================================
+ Hits         2077     2079    +2     
  Misses        220      220           

Impacted Files	Coverage Δ
src/Dimensions/indexing.jl	86.66% <0.00%> (ø)
src/Dimensions/primitives.jl	95.26% <100.00%> (ø)
src/array/methods.jl	95.07% <100.00%> (+0.07%)	:arrow_up:

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