Target dump not handling namespaced plugins

[Miauwkeru]

• Use the find_plugins function to search for plugins
• Change type information

(DIS-2743)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 94.59459% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 74.84%. Comparing base (ed13639) to head (cb66b15).

Files	Patch %	Lines
dissect/target/tools/dump/run.py	91.66%	1 Missing ⚠️
dissect/target/tools/dump/utils.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #579      +/-   ##
==========================================
+ Coverage   74.75%   74.84%   +0.09%     
==========================================
  Files         288      288              
  Lines       23930    23932       +2     
==========================================
+ Hits        17888    17912      +24     
+ Misses       6042     6020      -22     

Flag	Coverage Δ
unittests	74.84% <94.59%> (+0.09%)	⬆️

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