Fix integer overflow in AbsoluteValue.getAbsValue for Integer.MIN_VALUE

[arsam4waffels]

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Problem

Math.abs(Integer.MIN_VALUE) returns Integer.MIN_VALUE due to overflow,
since 2,147,483,648 exceeds the int range.

Fix

Changed parameter and return type from int to long to handle this edge case correctly.

Test

Updated testMinIntEdgeCase to verify correct behavior.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.10%. Comparing base (c99b056) to head (370327f).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7604      +/-   ##
============================================
- Coverage     81.12%   81.10%   -0.02%     
+ Complexity     7816     7814       -2     
============================================
  Files           827      827              
  Lines         24742    24742              
  Branches       4833     4833              
============================================
- Hits          20072    20068       -4     
- Misses         3906     3907       +1     
- Partials        764      767       +3     

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