fix: https://github.com/NodeBB/NodeBB/issues/8130

update deprecated data-vocabulary.org to schema.org

templates/partials/breadcrumbs.tpl

@@ -1,13 +1,13 @@
 <!-- IF breadcrumbs.length -->
-<ol class="breadcrumb">
+<ol class="breadcrumb" itemscope="itemscope" itemprop="breadcrumb" itemtype="http://schema.org/BreadcrumbList">
 	{{{each breadcrumbs}}}
-	<li<!-- IF @last --> component="breadcrumb/current"<!-- ENDIF @last --> itemscope="itemscope" itemtype="http://data-vocabulary.org/Breadcrumb" <!-- IF @last -->class="active"<!-- ENDIF @last -->>
-		<!-- IF !@last --><a href="{breadcrumbs.url}" itemprop="url"><!-- ENDIF !@last -->
-			<span itemprop="title">
+	<li<!-- IF @last --> component="breadcrumb/current"<!-- ENDIF @last --> itemscope="itemscope" itemprop="itemListElement" itemtype="http://schema.org/ListItem" <!-- IF @last -->class="active"<!-- ENDIF @last -->>
+		<!-- IF !@last --><a href="{breadcrumbs.url}" itemprop="item"><!-- ENDIF !@last -->
+			<span itemprop="name">
 				{breadcrumbs.text}
 				<!-- IF @last -->
 				<!-- IF !feeds:disableRSS -->
-				<!-- IF rssFeedUrl --><a target="_blank" href="{rssFeedUrl}"><i class="fa fa-rss-square"></i></a><!-- ENDIF rssFeedUrl --><!-- ENDIF !feeds:disableRSS -->
+				<!-- IF rssFeedUrl --><a target="_blank" href="{rssFeedUrl}" itemprop="item"><i class="fa fa-rss-square"></i></a><!-- ENDIF rssFeedUrl --><!-- ENDIF !feeds:disableRSS -->
 				<!-- ENDIF @last -->
 			</span>
 		<!-- IF !@last --></a><!-- ENDIF !@last -->