Update CHANGELOG.md (#21410)

* Update CHANGELOG.md

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Author: shuyama1

CHANGELOG.md

@@ -1,5 +1,37 @@
 ## 6.21.0 (Unreleased)
 
+NOTES:
+* provider: The Terraform Provider for Google Cloud's regular release date will move from Monday to Tuesday in early March. The 2025/03/10 release will be made on 2025/03/11.
+* eventarc: `google_eventarc_google_channel_config` now uses MMv1 engine instead of DCL. ([#21392](https://github.com/hashicorp/terraform-provider-google/pull/21392))
+* eventarc: `google_eventarc_trigger` now uses MMv1 engine instead of DCL. ([#21330](https://github.com/hashicorp/terraform-provider-google/pull/21330))
+
+FEATURES:
+* **New Data Source:** `google_alloydb_instance` ([#21383](https://github.com/hashicorp/terraform-provider-google/pull/21383))
+* **New Resource:** `google_firebase_data_connect_service` ([#21368](https://github.com/hashicorp/terraform-provider-google/pull/21368))
+* **New Resource:** `google_gemini_data_sharing_with_google_setting` ([#21393](https://github.com/hashicorp/terraform-provider-google/pull/21393))
+* **New Resource:** `google_gemini_gemini_gcp_enablement_setting` ([#21357](https://github.com/hashicorp/terraform-provider-google/pull/21357))
+* **New Resource:** `google_gemini_logging_setting_binding` ([#21354](https://github.com/hashicorp/terraform-provider-google/pull/21354))
+* **New Resource:** `google_gemini_release_channel_setting` ([#21387](https://github.com/hashicorp/terraform-provider-google/pull/21387)
+* **New Resource:** `google_gemini_release_channel_setting_binding` ([#21387](https://github.com/hashicorp/terraform-provider-google/pull/21387)
+* **New Resource:** `google_netapp_volume_quota_rule` ([#21283](https://github.com/hashicorp/terraform-provider-google/pull/21283))
+
+IMPROVEMENTS:
+* accesscontextmanager: added `etag` to access context manager directional policy resources `google_access_context_manager_service_perimeter_dry_run_egress_policy`, `google_access_context_manager_service_perimeter_dry_run_ingress_policy`, `google_access_context_manager_service_perimeter_egress_policy` and `google_access_context_manager_service_perimeter_ingress_policy` to prevent overriding changes ([#21366](https://github.com/hashicorp/terraform-provider-google/pull/21366))
+* accesscontextmanager: added `title` field to policy blocks under `google_access_context_manager_service_perimeter` and variants ([#21302](https://github.com/hashicorp/terraform-provider-google/pull/21302))
+* artifactregistry: set pageSize to 1000 to speedup `google_artifact_registry_docker_image` data source queries ([#21360](https://github.com/hashicorp/terraform-provider-google/pull/21360))
+* compute: added `labels` field to `google_compute_ha_vpn_gateway` resource ([#21385](https://github.com/hashicorp/terraform-provider-google/pull/21385))
+* compute: added validation for disk names in `google_compute_disk` ([#21335](https://github.com/hashicorp/terraform-provider-google/pull/21335))
+* container: added new fields `container_log_max_size`, `container_log_max_files`, `image_gc_low_threshold_percent`, `image_gc_high_threshold_percent`, `image_minimum_gc_age`, `image_maximum_gc_age`, and `allowed_unsafe_sysctls` to `node_kubelet_config` block in `google_container_cluster` resource. ([#21319](https://github.com/hashicorp/terraform-provider-google/pull/21319))
+* monitoring: added `condition_sql` field to `google_monitoring_alert_policy` resource ([#21277](https://github.com/hashicorp/terraform-provider-google/pull/21277))
+* networkservices: added `location` field to `google_network_services_mesh` resource ([#21337](https://github.com/hashicorp/terraform-provider-google/pull/21337))
+* securitycenter: added `type`, `expiry_time` field to `google_scc_mute_config` resource ([#21318](https://github.com/hashicorp/terraform-provider-google/pull/21318))
+
+BUG FIXES:
+* chronicle: fixed creation issues when optional fields were missing for `google_chronicle_rule_deployment` resource ([#21389](https://github.com/hashicorp/terraform-provider-google/pull/21389))
+* databasemigrationservice: fixed error details type on `google_database_migration_service_migration_job` ([#21279](https://github.com/hashicorp/terraform-provider-google/pull/21279))
+* networkservices: fixed a bug with `google_network_services_authz_extension.wire_format` sending an invalid default value by removing the Terraform default and letting the API set the default. ([#21280](https://github.com/hashicorp/terraform-provider-google/pull/21280))
+
+
 ## 6.20.0 (Feb 10, 2025)
 
 NOTES: