Enforce methods alphabetical sorting

[araujogui]

Ensure methods within a module are listed in strict alphabetical order.

Related to nodejs/node#58402

[mureinik]

It's worth noting that a module's documentation doesn't just contain its methods.

Consider, e.g., the documentation for process:
It starts with the module's events (which are alphabetized).
After the events, we have the module's members (some of which are functions, some are just properties), which are alphabetized (or, at least, would be after a version containing nodejs/node#58402 fix is deployed)
After all the properties, there's a paragraph about exit codes.

Presumably, the proposed enhancement is to sort the items within each category, right?