docs: filter algolia results by latest

This PR ensures only results from latest are returned in the algolia
search results.

Signed-off-by: Spencer Smith <spencer.smith@talos-systems.com>

website/layouts/partials/hooks/body-end.html

@@ -8,6 +8,9 @@
     indexName: "talos",
     container: '#algolia-search',
     debug: true,
+    searchParameters: {
+      facetFilters: ['version:latest'],
+    },
   });
 </script>