Update header.html (#8729)

Signed-off-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>

Author: kolchfa-aws

_includes/header.html

@@ -82,7 +82,7 @@
 {% endif %}
 <div role="banner" id="top">
   <div class="navigation-container">
-    <a class="navigation-container--logo" href="{{ '/' }}">
+    <a class="navigation-container--logo" href="https://opensearch.org/">
       OpenSearch
       <svg width="200" height="39" viewBox="0 0 200 39" fill="none" xmlns="http://www.w3.org/2000/svg">
         <g clip-path="url(#clip0_723_1352)">