Update CHANGELOG.md

Author: phinze

CHANGELOG.md

@@ -198,6 +198,7 @@ BUG FIXES:
  * provider/aws: Safely get ELB values [GH-7585]
  * provider/aws: Fix bug for recurring plans on ec2-classic and vpc in beanstalk [GH-6491]
  * provider/aws: Bump rds_cluster timeout to 15 mins [GH-7604]
+ * provider/aws: Fix ICMP fields in `aws_network_acl_rule` to allow ICMP code 0 (echo reply) to be configured [GH-7669]
  * provider/azurerm: Fixes terraform crash when using SSH keys with `azurerm_virtual_machine` [GH-6766]
  * provider/azurerm: Fix a bug causing 'diffs do not match' on `azurerm_network_interface` resources [GH-6790]
  * provider/azurerm: Normalizes `availability_set_id` casing to avoid spurious diffs in `azurerm_virtual_machine` [GH-6768]