Update changelog

Author: daemitus

CHANGELOG.md

@@ -8,6 +8,7 @@
 - Remove `space_id` parameter from private locations to fix inconsistent state for `elasticstack_kibana_synthetics_private_location` `space_id` ([#733](https://github.com/elastic/terraform-provider-elasticstack/pull/733))  
 - Add the `Frequency` field to the Create Rule API ([#753](https://github.com/elastic/terraform-provider-elasticstack/pull/753))
 - Prevent a provider panic when the repository referenced in an `elasticstack_elasticsearch_snapshot_repository` does not exist ([#758](https://github.com/elastic/terraform-provider-elasticstack/pull/758))
+- Add support for `remote_indicies` to `elasticstack_elasticsearch_security_api_key` (#766)[https://github.com/elastic/terraform-provider-elasticstack/pull/766]
 
 ## [0.11.6] - 2024-08-20