Update head_custom.html (#10455) (#10461)

Author: opensearch-trigger-bot[bot]

_includes/head_custom.html

@@ -9,5 +9,5 @@
 {% if jekyll.environment == "development" %}
   <script src="{{ '/assets/js/version-selector.js' | relative_url }}"></script>
 {% else %}
-  <script src="{{ '/docs/latest/assets/js/version-selector.js' }}"></script>
+  <script src="{{ '/latest/assets/js/version-selector.js' }}"></script>
 {% endif %}