Add icon uploading to objectstore

[rbro112]

Adds app icon uploading to objectstore and passes the returned objectstore id, app_icon_id. to the update API as part of preprocessing.

Likely don't want to merge this as-is as the objectstore code is just copied in, but here nonetheless in prep for merge.

[rbro112]

• Add icon uploading to objectstore #430 👈 (View in Graphite)
• main

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[codecov]

Codecov Report

❌ Patch coverage is 47.16312% with 149 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.62%. Comparing base (de07a59) to head (265a811).
⚠️ Report is 7 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/launchpad/utils/objectstore/service.py	45.63%	56 Missing ⚠️
src/launchpad/utils/objectstore/metadata.py	39.72%	44 Missing ⚠️
src/launchpad/utils/objectstore/metrics.py	27.27%	32 Missing ⚠️
src/launchpad/artifact_processor.py	50.00%	13 Missing ⚠️
src/launchpad/utils/file_utils.py	78.94%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #430      +/-   ##
==========================================
- Coverage   80.50%   79.62%   -0.88%     
==========================================
  Files         161      162       +1     
  Lines       13383    13562     +179     
  Branches     1406     1440      +34     
==========================================
+ Hits        10774    10799      +25     
- Misses       2078     2229     +151     
- Partials      531      534       +3     

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[jan-auer]

Hi, please update objectstore_client to 0.0.14 (or any newer version available at the time)