Editorial: Align with Web IDL specification

[autokagami]

🤖 This is an automated pull request to align the spec with the latest Web IDL specification. 🤖

The followings are the Web IDL validation messages, which may help understanding this PR:

• Validation error at line 3 in webaudio,4, inside `interface AudioRenderCapacity -> operation start -> argument options`:
          undefined start(AudioRenderCapacityOptions options);
                                              ^

  Error: Dictionary argument must be optional if it has no required fields

Currently this autofix might introduce awkward code formatting, and feel free to manually fix it whenever it happens.

Please file an issue at https://github.com/saschanaz/webidl-updater/issues/new if you think this is invalid or should be enhanced.

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Preview | Diff

[hoch]

This fix is included in #2489.

[hoch]

This fix is included in #2489.

[saschanaz]

(I'd recommend to keep this open or the bot will open another one tomorrow)

[hoch]

Thanks for the advice, @saschanaz!