Deprecated ReflectionMethod warning when editing a post (WP_DEBUG set to true) under PHP v8.5.1

[Presskopp]

Description

Method ReflectionMethod::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in ...plugins\gutenberg\lib\compat\wordpress-7.0\script-modules.php on line 59

Step-by-step reproduction instructions

see https://core.trac.wordpress.org/ticket/64848#comment:5

Screenshots, screen recording, code snippet

Environment info

• WP 7.0-RC3-62340
• GB 23.1.1

Please confirm that you have searched existing issues in the repo.

• Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

• Yes

Please confirm which theme type you used for testing.

• Block
• Classic
• Hybrid (e.g. classic with theme.json)
• Not sure