Logging Analytics: Terraform provider for enabling archive storage

Oracle Logging Analytics now offers Terraform provider resources oci_log_analytics_namespace_storage_archival_config and oci_log_analytics_namespace_storage_enable_disable_archiving to define and manage archival storage enablement as code.

See Terraform registry: oci_log_analytics_namespace_storage_archival_config and Terraform registry: oci_log_analytics_namespace_storage_enable_disable_archiving.