add changeAnnotation event to types of EditSession

[snaptopixel]

Describe the bug

changeAnnotation event is not listed in the types for session.on inside ace.d.ts

Expected Behavior

When using typescript and writing editor.session.on('changeAnnotation', fn) not to get a typescript error

Current Behavior

The following TypeError is raised

No overload matches this call.
  The last overload gave the following error.
    Argument of type '"changeAnnotation"' is not assignable to parameter of type '"changeTabSize"'.ts(2769)

Reproduction Steps

When using typescript and write editor.session.on('changeAnnotation', fn) to get a typescript error

Possible Solution

The types need to be updated to match all supported event names

Additional Information/Context

No response

Ace Version / Browser / OS / Keyboard layout

TypeScript in VSCode

[marinsokol5]

Hey!
Thanks for the feedback. Indeed you are right that we are missing this type in ace.d.ts. It's sort of a never ending battle for us to keep this file in sync with the actual implementation.
We are right now working on auto-generating it based on JSDoc: #5318, in which case the current ace.d.ts will just be thrown away.

So I am hesitant to make a change for it right now, but let's keep this issue open in case we don't merge #5318

I also don't really know yet how that implementation is going to pick up events but I am curious to try it.

[github-actions]

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