Add option for pool size in AutoAttack

[beat-buesser]

Description

This pull request adds an option to define pool size in AutoAttack.

Fixes #2529

Type of change

Please check all relevant options.

• Improvement (non-breaking)
• Bug fix (non-breaking)
• New feature (non-breaking)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 85.42%. Comparing base (21f1923) to head (7903726).
Report is 4 commits behind head on dev_1.19.0.

Files with missing lines	Patch %	Lines
art/attacks/evasion/auto_attack.py	66.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           dev_1.19.0    #2534   +/-   ##
===========================================
  Coverage       85.42%   85.42%           
===========================================
  Files             334      334           
  Lines           30997    30997           
  Branches         5298     5298           
===========================================
  Hits            26478    26478           
  Misses           3052     3052           
  Partials         1467     1467           

Files with missing lines	Coverage Δ
art/attacks/evasion/auto_attack.py	86.15% <66.66%> (ø)