fix: use nio.create to remove rock synchronously within pcall

[bottd]

To resolve the 2nd error in #16 I wrapped operations.remove in nio.create. My thinking is the error thrown for calling async in a sync context is related to pcall being a sync method. By using nio.create rock removal is handled synchronously within pcall.

Since this occurs in a larger async context created by api.query_installed_rocks the overall process should still be async.

Edit: I did more testing locally and have found this does not fix the issue :( I will keep looking at it though!

[github-actions[bot]]

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