fix python package name for deployment

[remi-dupre]

📋 Before Merge Checklist

1. I have chosen a new version number with respect to semver
2. I have updated the version in these files consistently: Cargo.toml, compact-calendar/Cargo.toml, opening-hours-syntax/Cargo.toml, python/Cargo.toml and pyproject.toml
3. I have updated CHANGELOG.md

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.32%. Comparing base (ab25810) to head (b2ff18c).
Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #67   +/-   ##
=======================================
  Coverage   85.32%   85.32%           
=======================================
  Files          28       28           
  Lines        2044     2044           
=======================================
  Hits         1744     1744           
  Misses        300      300           

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