Update CHANGELOG.md (#4267)

Author: megan07

CHANGELOG.md

@@ -1,4 +1,23 @@
 ## 4.20.0 (Unreleased)
+
+NOTES:
+* `google_privateca_certificate_authority` resources now cannot be destroyed unless `deletion_protection = false` is set in state for the resource. ([#4241](https://github.com/hashicorp/terraform-provider-google-beta/pull/4241))
+
+FEATURES:
+* **New Data Source:** `google_compute_disk` ([#4255](https://github.com/hashicorp/terraform-provider-google-beta/pull/4255))
+
+IMPROVEMENTS:
+* apigee: `consumer_accept_list` and `service_attachment` to `google_apigee_instance`. ([#4260](https://github.com/hashicorp/terraform-provider-google-beta/pull/4260))
+* compute: added `subsetting` field to `google_compute_region_backend_service` ([#4246](https://github.com/hashicorp/terraform-provider-google-beta/pull/4246))
+* privateca: added `deletion_protection` for `google_privateca_certificate_authority`. ([#4241](https://github.com/hashicorp/terraform-provider-google-beta/pull/4241))
+* privateca: added new output fields on `google_privateca_certificate` including `issuer_certificate_authority`, `pem_certificate_chain` and `certificate_description.x509_description` ([#4242](https://github.com/hashicorp/terraform-provider-google-beta/pull/4242))
+* redis: added multi read replica field `read_replicas_mode` and `secondary_ip_range` in `google_redis_instance` ([#4259](https://github.com/hashicorp/terraform-provider-google-beta/pull/4259))
+
+BUG FIXES:
+* compute: fixed a crash when `compute.instance` is not found ([#4262](https://github.com/hashicorp/terraform-provider-google-beta/pull/4262))
+* provider: removed printing credentials to the console if malformed JSON is given ([#4266](https://github.com/hashicorp/terraform-provider-google-beta/pull/4266))
+* sql: fixed bug where `encryption_key_name` was not being propagated to the API. ([#4261](https://github.com/hashicorp/terraform-provider-google-beta/pull/4261))
+
 ## 4.19.0 (April 25, 2022)
 
 IMPROVEMENTS: