Specifies port for Elasticsearch host

Updates the Elasticsearch host configuration to explicitly include port 443.

This ensures the connection to Elasticsearch uses the correct port
for HTTPS, resolving potential connection issues.

Author: oDaviML

filebeat.prod.yml

@@ -40,6 +40,6 @@ processors:
       tags: ["production", "api-onibusbh"]
 
 output.elasticsearch:
-  hosts: ['${ELASTIC_HOST}']
+  hosts: ['${ELASTIC_HOST}:443']
   protocol: "https"
   # ssl.verification_mode: none