chore(main): release 6.0.0

[github-actions]

🤖 I have created a release beep boop

6.0.0 (2026-03-20)

⚠ BREAKING CHANGES

• restructure project and implement composition-based architecture
• remove support for py3.9 due to compatibility issues

Features

• Restructure project and implement composition-based architecture (c6db4a1)

Bug Fixes

• Boxcar removed and additional notification added (e5f0e17)
• Remove support for py3.9 due to compatibility issues (5318bb4)

---

This PR was generated with Release Please. See documentation.

[github-actions]

🤖 Created releases:

• 6.0.0

🌻

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.54%. Comparing base (3085f42) to head (a8da0f8).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #181   +/-   ##
=======================================
  Coverage   74.54%   74.54%           
=======================================
  Files          69       69           
  Lines        1324     1324           
=======================================
  Hits          987      987           
  Misses        337      337           

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.