Add support for Ivanti EPMM

[Schamper]

Closes #1579

Initial version. Feel free to suggest changes.

[codecov]

Codecov Report

❌ Patch coverage is 77.35849% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.17%. Comparing base (f66d3dc) to head (3df7cdd).

Files with missing lines	Patch %	Lines
...ct/target/plugins/os/unix/linux/redhat/epmm/_os.py	75.86%	21 Missing ⚠️
dissect/target/helpers/configutil.py	83.33%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1623      +/-   ##
==========================================
+ Coverage   81.10%   81.17%   +0.06%     
==========================================
  Files         401      402       +1     
  Lines       35175    35270      +95     
==========================================
+ Hits        28529    28629     +100     
+ Misses       6646     6641       -5     

Flag	Coverage Δ
unittests	81.17% <77.35%> (+0.06%)	⬆️

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[codspeed-hq]

Merging this PR will not alter performance

✅ 12 untouched benchmarks

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_{Comparing add-ivanti-epmm (3df7cdd) with main (f66d3dc)}