Docs: Fix script module data filter documentation examples

[sirreal]

The script_module_data_{$module_id} filter documentation is truncated.. It seems that the example tag is not processed and instead ends the description section of the documentation.

Change the examples for this filter to use Example: and an indented code block. This seems to work in other places:

wordpress-develop/src/wp-includes/functions.php

Lines 7514 to 7525 in b6f6397

	* Example:
	*
	* true === is_utf8_charset( 'UTF-8' );
	* true === is_utf8_charset( 'utf8' );
	* false === is_utf8_charset( 'latin1' );
	* false === is_utf8_charset( 'UTF 8' );
	*
	* // Only strings match.
	* false === is_utf8_charset( [ 'charset' => 'utf-8' ] );
	*
	* // Without a given charset, it depends on the site option "blog_charset".
	* $is_utf8 = is_utf8_charset();

Trac ticket: https://core.trac.wordpress.org/ticket/62281

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[SergeyBiryukov]

Thanks for the PR! Merged in r59505.