New S3 downloader for internal-data-pipeline

[Jakub007d]

Description

We cant use the default insights messaging S3 downloader because we need to put bucket name into the path name hence the creation of simple modification of this downloader is needed.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Testing steps

Tested localy

Checklist

• make before_commit passes
• updated documentation wherever necessary
• added or modified tests if necessary
• updated schemas and validators in insights-data-schemas in case of input/output change

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 82.60870% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 82.30%. Comparing base (7d5b41b) to head (10a3382).

Files	Patch %	Lines
ccx_messaging/downloaders/s3_downloader.py	82.60%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #155   +/-   ##
=======================================
  Coverage   82.29%   82.30%           
=======================================
  Files          27       28    +1     
  Lines         819      842   +23     
=======================================
+ Hits          674      693   +19     
- Misses        145      149    +4     

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[JiriPapousek]

Add copyright header and spacings between import and docstring (e.g. like here: https://gitlab.cee.redhat.com/service/app-interface/-/merge_requests/99061)

[Jakub007d]

Fixed

[joselsegura]

Some nitpicks to take a look into it. Please, use pre-commit hook locally to format the code according to our "code style"

Please, add some unit test, as the code is pretty small it won't take too much