Migrate imports of `pipe` to `fp-ts/lib/function`

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Description

Follow deprecation advice according to gcanti's note.

Related Issues

104

Checklist

• [x] I have tested these changes locally and they work as expected.
• [ ] I have added or updated tests to cover any new functionality or bug fixes.
• [ ] I have updated the documentation to reflect any changes or additions to the project.
• [x] I have followed the project's code of conduct and conventions for commit messages.

Additional Information

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