feat(api): integrate Sentry for error tracking and monitoring

[0x1026]

This pull request introduces several changes to integrate Sentry for error monitoring and improve environment configuration to the API. The key changes include adding Sentry DSN variables, updating Docker and FastAPI configurations, and creating tests for the new settings.

Sentry Integration:

• .env.example: Added SENTRY_DSN_API and SENTRY_DSN_APP environment variables for Sentry integration.
• api/requirements.txt: Added sentry-sdk[fastapi]==2.19.0 to dependencies.
• api/src/app.py: Initialized Sentry SDK with DSN and environment settings.
• api/src/config.py: Added SENTRY_DSN and APP_ENV settings to the configuration. [1] [2]
• compose.yml: Added SENTRY_DSN to the environment variables.

Environment Configuration:

• .env.example: Removed the ENV variable.
• api/Dockerfile: Added APP_ENV environment variable for different stages (development, test, production). [1] [2]

CI/CD Integration:

• .github/workflows/main.yml: Added a step to release to Sentry using GitHub Actions.

Testing:

• api/tests/test_config.py: Added tests for the new settings, including scenarios with and without passwords and handling non-existent password files.

[codecov]

Codecov Report

Attention: Patch coverage is 62.50000% with 3 lines in your changes missing coverage. Please review.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
api/src/app.py	0.00%	2 Missing ⚠️
api/src/config.py	83.33%	1 Missing ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
api/src/config.py	94.73% <83.33%> (+94.73%)	0.00 <0.00> (ø)
api/src/app.py	0.00% <0.00%> (ø)	0.00 <0.00> (ø)

... and 85 files with indirect coverage changes