feat: Adds compute route using OpenAI API

[frgfm]

This PR introduces the following modifications:

• adds route to analyze code snippets using OpenAI API (later release will gradually share code to run on OSS models)
• updates labeler & CI

[codecov]

Codecov Report

Attention: 15 lines in your changes are missing coverage. Please review.

Comparison is base (8f9b4ec) 72.74% compared to head (23454bb) 74.65%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #21      +/-   ##
==========================================
+ Coverage   72.74%   74.65%   +1.91%     
==========================================
  Files          22       26       +4     
  Lines         554      655     +101     
==========================================
+ Hits          403      489      +86     
- Misses        151      166      +15     

Flag	Coverage Δ
unittests	74.65% <85.29%> (+1.91%)	⬆️

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

Files	Coverage Δ
src/app/api/api_v1/router.py	100.00% <100.00%> (ø)
src/app/core/config.py	94.23% <100.00%> (+0.35%)	⬆️
src/app/schemas/compute.py	100.00% <100.00%> (ø)
src/app/schemas/services.py	100.00% <100.00%> (ø)
src/app/api/api_v1/endpoints/compute.py	73.33% <73.33%> (ø)
src/app/services/openai.py	69.44% <69.44%> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.