[DOCS] Outbound ports for Event Hub (#88)

Bump to v1.4.6

Author: lucabelluccini

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 1.4.6
+  - [DOCS] Add outbound port requirements for Event Hub [#88](https://github.com/logstash-plugins/logstash-input-azure_event_hubs/pull/88)
+
 ## 1.4.5
  - Upgrade multiple dependencies such as `gson`, `log4j2`, `jackson` to make the plugin stable [#83](https://github.com/logstash-plugins/logstash-input-azure_event_hubs/pull/83)
 

VERSION

@@ -1 +1 @@
-1.4.5
+1.4.6

docs/index.asciidoc

@@ -31,6 +31,9 @@ Many Azure services integrate with the Azure Event Hubs.
 https://docs.microsoft.com/en-us/azure/monitoring-and-diagnostics/monitoring-overview-azure-monitor[Azure
 Monitor], for example, integrates with Azure Event Hubs to provide infrastructure metrics. 
 
+IMPORTANT: This plugin requires outbound connections to ports `tcp/443`, `tcp/9093`, `tcp/5671`, and `tcp/5672`, 
+as noted in the https://learn.microsoft.com/en-us/azure/event-hubs/event-hubs-faq#what-ports-do-i-need-to-open-on-the-firewall[Microsoft Event Hub documentation].
+
 ===== Event Hub connection string
 
 The plugin uses the connection string to access Azure Events Hubs. Find the