Made hash work for extension type

[jorgecarleitao]

Small generalization of the hash to be usable by extension types.

[codecov]

Codecov Report

Merging #487 (be885d2) into main (2d84c2d) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #487   +/-   ##
=======================================
  Coverage   80.19%   80.20%           
=======================================
  Files         374      374           
  Lines       23025    23017    -8     
=======================================
- Hits        18465    18460    -5     
+ Misses       4560     4557    -3     

Impacted Files	Coverage Δ
src/compute/hash.rs	100.00% <100.00%> (+6.66%)	⬆️

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