patches audit: bitbucket patches should use api

[Moisan]

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same change?
• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes? Here's an example.
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Following Homebrew/homebrew-core#221961

I also added a corrector that I tested manually. I couldn't figure out how to test that part in patches_spec.rb.

[SMillerDev]

Nice work!

[carlocab]

Are we waiting on anything for this?