[DOP-13156] Fix documentation build

[dolfinus]

Change Summary

Poetry начал устанавливать пакеты не в то окружение, из которого запускается сборка документации, из-за чего она начала падать:
https://readthedocs.org/projects/data-horizon/builds/23559302/

Попытка починить

Related issue number

Checklist

• Commit message and PR title is comprehensive
• Keep the change as small as possible
• Unit and integration tests for the changes exist
• Tests pass on CI and coverage does not decrease
• Documentation reflects the changes where applicable
• docs/changelog/next_release/<pull request or issue id>.<change type>.rst file added describing change
  (see CONTRIBUTING.rst for details.)
• My PR is ready to review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.29%. Comparing base (70ac30c) to head (13b2e90).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop      #23   +/-   ##
========================================
  Coverage    89.29%   89.29%           
========================================
  Files          104      104           
  Lines         1981     1981           
  Branches       181      181           
========================================
  Hits          1769     1769           
  Misses         167      167           
  Partials        45       45           

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