v4.21.0

IMPROVEMENTS:

• cloudfunctions: added CMEK support for Cloud Functions (#4272)
• compute: added service_directory_registrations to google_compute_forwarding_rule resource (#4276)
• compute: removed validation checking against a fixed set of persistent disk types (#4273)
• container: removed validation checking against a fixed set of persistent disk types (#4273)
• containeraws: added image_type and instance_placement to google_container_aws_node_pool resource (#4276)
• containeraws: added instance_placement and logging_config to google_container_aws_cluster resource (#4276)
• containeraws: added proxy_config to google_container_aws_node_pool resource (#4276)
• containerazure: added image_type to google_container_azure_node_pool resource (#4276)
• containerazure: added logging_config to google_container_azure_cluster resource (#4276)
• containerazure: added proxy_config to google_container_azure_node_pool resource (#4276)
• dataproc: removed validation checking against a fixed set of persistent disk types (#4273)
• dns: added routing_policy to google_dns_record_set resource (#4265)

BUG FIXES:

• cloudfunctions: fixed an issue where google_cloudfunctions2_function would not update (#4278)
• compute: fixed a crash in google_compute_instance when the instance is deleted outside of Terraform (#4262)
• provider: removed printing credentials to the console if malformed JSON is given (#4266)