fix(aws): set IAM identity as resource in threat detection

[MrCloudSec]

Description

Set IAM identity as resource in threat detection checks to make easier to mute specific IAM identities.

Checklist

• Are there new checks included in this PR? Yes / No
  • If so, do we need to update permissions for the provider? Please review this carefully.
• Review if the code is being covered by tests.
• Review if code is being documented following this specification https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings
• Review if backport is needed.

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.93%. Comparing base (263a7e2) to head (8bc3d9f).
Report is 27 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6048   +/-   ##
=======================================
  Coverage   89.92%   89.93%           
=======================================
  Files        1147     1147           
  Lines       35611    35611           
=======================================
+ Hits        32024    32025    +1     
+ Misses       3587     3586    -1     

Flag	Coverage Δ
prowler	89.93% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
prowler	89.93% <100.00%> (+<0.01%)	⬆️
api	∅ <ø> (∅)

[prowler-bot]

💚 All backports created successfully

Status	Branch	Result
✅	v4.6
✅	v5.0

Questions ?

Please refer to the Backport tool documentation and see the Github Action logs for details