fix: fixed multiple crossdependencies between frontend and backend

[jstucke]

• fixes import of analysis plugin module from the frontend (causes dependency problems) in FS metadata and QEMU exec plugins
• makes aoihttp a common dependency (was only installed in the backend but is also used in the frontend in the GraphQL module)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.48%. Comparing base (e39728e) to head (15e1e67).
⚠️ Report is 14 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1437      +/-   ##
==========================================
+ Coverage   92.03%   92.48%   +0.45%     
==========================================
  Files         372      368       -4     
  Lines       21075    20678     -397     
==========================================
- Hits        19397    19125     -272     
+ Misses       1678     1553     -125     

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