fix: use self::getWikiPage instead of direct WikiPage::factory

Author: gesinn-it-gea

Makefile

@@ -11,8 +11,8 @@ endif
 EXTENSION=KnowledgeGraph
 
 # docker images
-MW_VERSION?=1.39
-PHP_VERSION?=8.1
+MW_VERSION?=1.43
+PHP_VERSION?=8.3
 DB_TYPE?=mysql
 DB_IMAGE?="mariadb:10"
 

includes/KnowledgeGraph.php

@@ -151,7 +151,7 @@ private static function ensureKnowledgeGraphOptionsPageExists() {
 			return;
 		}
 
-		$wikiPage = WikiPage::factory( $title );
+		$wikiPage = self::getWikiPage( $title );
 		if ( $wikiPage->exists() ) {
 			return;
 		}