fix: support axis keyword in array_contains

[LukeWeidenwalker]

Closes #63

[LukeWeidenwalker]

@ValentinaHutter another small PR to have a look over please! :)

[codecov]

Codecov Report

Merging #152 (447f3c8) into main (b1a1196) will increase coverage by 0.19%.
Report is 1 commits behind head on main.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #152      +/-   ##
==========================================
+ Coverage   78.75%   78.95%   +0.19%     
==========================================
  Files          27       28       +1     
  Lines        1177     1207      +30     
==========================================
+ Hits          927      953      +26     
- Misses        250      254       +4     

Files Changed	Coverage Δ
...o_processes_dask/process_implementations/arrays.py	90.74% <100.00%> (ø)

... and 2 files with indirect coverage changes

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[ValentinaHutter]

LGTM, but I think, since array_contains is labeled as a reducer, it might be useful to add a small test to run reduce_dimension(reducer=array_contains).

[ValentinaHutter]

This test does not have an assert, yet.

[LukeWeidenwalker]

Ah, good points - fixed both, thanks! :)