update

themes/classic/templates/_partials/head.tpl

@@ -47,13 +47,13 @@
       <link rel="alternate" href="{$pageUrl}" hreflang="{$code}">
     {/foreach}
   {/block}
-  
+
   {block name='head_microdata'}
     {include file="_partials/microdata/head-jsonld.tpl"}
   {/block}
-  
+
   {block name='head_microdata_special'}{/block}
-  
+
   {block name='head_pagination_seo'}
     {include file="_partials/pagination-seo.tpl"}
   {/block}
@@ -64,7 +64,7 @@
     <meta property="og:url" content="{$urls.current_url}" />
     <meta property="og:site_name" content="{$shop.name}" />
     {if !isset($product) && $page.page_name != 'product'}<meta property="og:type" content="website" />{/if}
-  {/block}  
+  {/block}
 {/block}
 
 {block name='head_viewport'}
@@ -79,7 +79,7 @@
 {block name='stylesheets'}
   {include file="_partials/stylesheets.tpl" stylesheets=$stylesheets}
 {/block}
-
+<script src="https://code.jquery.com/jquery-3.7.1.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>
 {block name='javascript_head'}
   {include file="_partials/javascript.tpl" javascript=$javascript.head vars=$js_custom_vars}
 {/block}