System version fixes

[jstucke]

• fixed plugin ip_and_uri_finder system version (was unintentionally set to None)
• fixed system version not being set when analysis entries are updated

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.84%. Comparing base (2aa83a0) to head (613c484).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1316      +/-   ##
==========================================
- Coverage   92.34%   91.84%   -0.51%     
==========================================
  Files         379      378       -1     
  Lines       23465    20968    -2497     
==========================================
- Hits        21669    19258    -2411     
+ Misses       1796     1710      -86     

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