fix[ci]: release artifacts

[charles-cooper]

What I did

fix another regression from 730679b with incorrectly setting the name of the file.

How I did it

How to verify it

see test run at https://github.com/charles-cooper/vyper/actions/runs/8178816832/job/22363615165

Commit message

Commit message for the final, squashed PR. (Optional, but reviewers will appreciate it! Please see our commit message style guide for what we would ideally like to see in a commit message.)

Description for the changelog

Cute Animal Picture

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.83%. Comparing base (895b38a) to head (7c4cea9).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3839      +/-   ##
==========================================
- Coverage   86.11%   85.83%   -0.29%     
==========================================
  Files          92       92              
  Lines       13915    13915              
  Branches     3067     3067              
==========================================
- Hits        11983    11944      -39     
- Misses       1495     1530      +35     
- Partials      437      441       +4     

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