Update api-reference - data-bind--hidden is an incorrrect attribute - should be data-wp-bind--hidden

[tomepajk]

The examples have an error.

data-bind--hidden should be data-wp-bind--hidden

What?

Fixing a code error in a code example in the Interactivity API

Why?

How?

Testing Instructions

Testing Instructions for Keyboard

Screenshots or screencast

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[github-actions]

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[t-hamano]

Nice catch 👍