Build a conda package in CI

[mwouts]

This could help to spot issues like #437 earlier

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.03%. Comparing base (2383415) to head (b98bbad).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #438   +/-   ##
=======================================
  Coverage   94.03%   94.03%           
=======================================
  Files          43       43           
  Lines        1878     1878           
=======================================
  Hits         1766     1766           
  Misses        112      112           

☔ 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.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[github-actions]

Thank you for making this pull request.

Did you know? You can try it on Binder: .

Also, the version of ITables developed in this PR is available as a wheel artifact 📦 for easy installation.
Download it here, unzip it and then run pip install itables-xxx.whl in the unzipped directory.

A conda package is also available for easy installation:
Download it here, and then run conda install itables-xxx.tar.bz2 in the directory where you downloaded the file.