Add processor that uses array_map with callback

[yann-eugone]

No description provided.

[codecov]

Codecov Report

Merging #21 (56bf9eb) into 0.x (ad5dcbb) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##                0.x      #21      +/-   ##
============================================
+ Coverage     88.44%   88.49%   +0.04%     
- Complexity      517      520       +3     
============================================
  Files            75       76       +1     
  Lines          1515     1521       +6     
============================================
+ Hits           1340     1346       +6     
  Misses          175      175              

Impacted Files	Coverage Δ
...batch/src/Job/Item/Processor/ArrayMapProcessor.php	100.00% <100.00%> (ø)

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