Update CHANGELOG.md

Author: radeksimko

CHANGELOG.md

@@ -41,6 +41,7 @@ IMPROVEMENTS
  * provider/aws: Make `aws_efs_mount_target` creation fail for 2+ targets per AZ [GH-8205]
  * provider/aws: Add `force_destroy` option to `aws_route53_zone` [GH-8239]
  * provider/aws: Support import of `aws_s3_bucket` [GH-8262]
+ * provider/aws: Increase timeout for retrying creation of IAM role [GH-7733]
  * provider/azure: add custom_data argument for azure_instance resource [GH-8158]
  * provider/azurerm: Adds support for uploading blobs to azure storage from local source [GH-7994]
  * provider/azurerm: Storage blob contents can be copied from an existing blob [GH-8126]