Fix conda out of space + pyyaml error

[MichaelFu512]

Pull Request Description

Closes #4341 Actually fixes the conda out of space error and doesn't throw a pyyaml error.

Workflow run here: https://github.com/alteryx/evalml/actions/runs/6506817876/job/17673105138

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After creating the pull request: in order to pass the release_notes_updated check you will need to update the "Future Release" section of docs/source/release_notes.rst to include this pull request by adding :pr:123.

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (ebe869c) 99.7% compared to head (8f2e32c) 99.7%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4340 +/- ## ===================================== Coverage 99.7% 99.7% ===================================== Files 357 357 Lines 39869 39869 ===================================== Hits 39749 39749 Misses 120 120 ```

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