feature(ci): updload nightly wheel to scientific python anaconda repo

[jhamman]

closes #2935

TODO:

• Changes documented as a new file in changes/
• GitHub Actions have all passed
• Documentation added

cc @ianhi and @matthewfeickert

[matthewfeickert]

LGTM

[ianhi]

yes!

I think a future extension of this would be to also include a numcodecs upload. So you can really test a full bleeding edge zarr installation as upstream.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 61.07%. Comparing base (27d689c) to head (516a899).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3449   +/-   ##
=======================================
  Coverage   61.07%   61.07%           
=======================================
  Files          79       79           
  Lines        9500     9500           
=======================================
  Hits         5802     5802           
  Misses       3698     3698           

🚀 New features to boost your workflow:

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