Update CHANGELOG.md

CHANGELOG.md

@@ -6,6 +6,7 @@ BACKWARDS INCOMPATIBILITIES:
 * compute: `google_compute_project_metadata` resource is now authoritative and will remove values not explicitly set in config. [GH-2205]
 * compute: `google_compute_url_map` resource is now authoritative and will remove values not explicitly set in config. [GH-2245]
 * compute: `google_compute_global_forwarding_rule.labels` is removed from the `google` provider and must be used in the `google-beta` provider. [GH-2399]
+* compute: `google_compute_subnetwork_iam_binding`, `google_compute_subnetwork_iam_member`, `google_compute_subnetwork_iam_policy` are removed from the `google` provider and must be used in the `google-beta` provider. [GH-2398]
 * container: `google_container_node_pool.max_pods_per_node` is removed from the `google` provider and must be used in the `google-beta` provider. [GH-2391]
 * container: `google_container_cluster` fields (`private_cluster`, `master_ipv4_cidr_block`) are removed. Use `private_cluster_config` and `private_cluster_config.master_ipv4_cidr_block` instead. [GH-2395]
 * container: `google_container_cluster` fields (`enable_binary_authorization`, `enable_tpu`, `pod_security_policy_config`) are removed from the `google` provider and must be used in the `google-beta` provider. [GH-2395]