LogBatchPurger with DML row limits in mind

[jamessimone]

• potential fix for LogBatchPurger Too many DML rows: 10001 #166 by introducing limits-minded deletion mechanism in LogBatchPurger

@jongpie no big attachment to this, but I saw this issue come through and thought I might submit something for it. Let me know what you think!

[codecov]

Codecov Report

Merging #167 (44c7924) into main (5a8798f) will decrease coverage by 0.08%.
The diff coverage is 88.23%.

@@            Coverage Diff             @@
##             main     #167      +/-   ##
==========================================
- Coverage   93.97%   93.89%   -0.09%     
==========================================
  Files          15       15              
  Lines        1843     1866      +23     
==========================================
+ Hits         1732     1752      +20     
- Misses        111      114       +3     

Impacted Files	Coverage Δ
...ger/main/log-management/classes/LogBatchPurger.cls	85.45% <88.23%> (+1.07%)	⬆️

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[jongpie]

@jamessimone this looks great! I really like the approach - I just added one comment about some code coverage.