ci: remove publish with name 'getdaft'

[kevinzwang]

Changes Made

With our upcoming v0.5 release, we will no longer publish to the PyPI package getdaft, and instead only publish to daft and daft-lts. This PR makes that change.

Related Issues

#3913

Checklist

• Documented in API Docs (if applicable)
• Documented in User Guide (if applicable)
• If adding a new documentation page, doc is added to docs/mkdocs.yml navigation
• Documentation builds and is formatted properly (tag @/ccmao1130 for docs review)

[kevinzwang]

Running an S3 publish here to make sure it all works: https://github.com/Eventual-Inc/Daft/actions/runs/15353882182

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.51%. Comparing base (c71a4d8) to head (8443f03).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4456      +/-   ##
==========================================
- Coverage   77.99%   77.51%   -0.48%     
==========================================
  Files         850      850              
  Lines      114777   114767      -10     
==========================================
- Hits        89515    88958     -557     
- Misses      25262    25809     +547     

Files with missing lines	Coverage Δ
daft/__init__.py	23.80% <ø> (+4.57%)	⬆️

... and 12 files with indirect coverage changes

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