Merge pull request #2920 from port-labs/PORT-16627-update-resource-graph-docs-status

docs: improve wording for azure resource graph beta notice

Author: hadar-co

docs/build-your-software-catalog/sync-data-to-catalog/cloud-providers/azure/azure-resource-graph.md

@@ -12,6 +12,10 @@ import PortApiRegionTip from "/docs/generalTemplates/_port_region_parameter_expl
 
 # Azure Resource Graph (Beta)
 
+:::warning Availability Notice
+This integration is in closed beta and is not available for general use. Please contact [Port's support team](http://support.port.io/) to request access.
+:::
+
 Sync your Azure environment to Port at scale using Azure Resource Graph and Ocean framework. This integration is designed for high-volume data ingestion across multiple subscriptions, offering several key advantages:
 
 - **Centralized Syncing**: Ingest resources from all your Azure subscriptions with a single deployment.