Docs Formatting: Backtick-escape inline code for all dynamic hook docs in wp-includes/option.php.

Affects DocBlocks for the following hooks:
* `pre_option_ . $option`
* `default_option_ . $option`
* `option_ . $option`
* `pre_update_option_ . $option`
* `update_option_{$option}`
* `add_option_{$option}`
* `delete_option_$option`
* `delete_transient_ . $transient`
* `pre_transient_ . $transient`
* `transient_ . $transient`
* `pre_set_transient_ . $transient`
* `set_transient_ . $transient`
* `pre_site_option_ . $option`
* `default_site_option_ . $option`
* `site_option_ . $option`
* `pre_add_site_option_ . $option`
* `add_site_option_{$option}`
* `pre_delete_site_option_ . $option`
* `delete_site_option_{$option}`
* `pre_update_site_option_ . $option`
* `update_site_option_{$option}`
* `delete_site_transient_ . $transient`
* `pre_site_transient_ . $transient`
* `site_transient_ . $transient`
* `pre_set_site_transient_ . $transient`
* `set_site_transient_ . $transient`

See #30552.

Built from https://develop.svn.wordpress.org/trunk@30652


git-svn-id: http://core.svn.wordpress.org/trunk@30642 1a063a9b-81f0-0310-95a4-ce76da25c4cd