Update CHANGELOG for #9505

CHANGELOG.md

@@ -30,6 +30,7 @@ BUG FIXES:
 * resource/aws_db_parameter_group: Retry after timeout deleting DB parameter group [GH-9477]
 * resource/aws_kms_grant: Final retries after timeouts when creating, finding, and revoking grants [GH-9415]
 * resource/aws_kms_key: Final retries after timeouts when creating keys and updating key rotation status [GH-9415]
+* resource/aws_rds_cluster: Properly update `master_password` during snapshot restore [GH-9505]
 * resource/aws_s3_bucket: Ensure `website_endpoint` and `website_domain` attributes have correct DNS suffix in AWS China [GH-9444]
 * resource/aws_ses_domain_identity_verification: Retry after timeout when creating SES domain identity verification [GH-9417]
 * resource/aws_sfn_activity: Retry after timeout deleting SFN activity [GH-9498]