Add Unix trash plugin

[JSCU-CNI]

Since we heard that this will be the year of the Linux Desktop, we added support for parsing GNOME .Trash folder artifacts on Unix systems.

[codecov]

Codecov Report

Attention: Patch coverage is 97.77778% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.26%. Comparing base (7038ac3) to head (995c04a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
dissect/target/plugins/os/unix/trash.py	97.67%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #852      +/-   ##
==========================================
+ Coverage   76.23%   76.26%   +0.03%     
==========================================
  Files         311      312       +1     
  Lines       26745    26790      +45     
==========================================
+ Hits        20388    20432      +44     
- Misses       6357     6358       +1     

Flag	Coverage Δ
unittests	76.26% <97.77%> (+0.03%)	⬆️

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