HTML API: Fix typo in error message in html processor.

Possesive "it's" should be "its."

Follow-up to [59076].

Props jonsurrell.
Fixes #62036.

Built from https://develop.svn.wordpress.org/trunk@59245


git-svn-id: http://core.svn.wordpress.org/trunk@58637 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/html-api/class-wp-html-processor.php

@@ -1116,7 +1116,7 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
 		if ( WP_HTML_Tag_Processor::STATE_READY !== $this->parser_state ) {
 			wp_trigger_error(
 				__METHOD__,
-				"An HTML Processor which has already started processing cannot serialize it's contents. Serialize immediately after creating the instance.",
+				'An HTML Processor which has already started processing cannot serialize its contents. Serialize immediately after creating the instance.',
 				E_USER_WARNING
 			);
 			return null;

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-beta3-59244';
+$wp_version = '6.7-beta3-59245';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.