PR include changes to support following optional GCS bucket module config

• var uniform_bucket_level_access with default value set to true for backward compatibility.
• var storage_class with default value set to REGIONAL for backward compatibility.
• var autoclass with default value set to enabled = false
• var public_access_prevention with unset default value
• var soft_delete_retention_duration with unset default value
• var enable_versioning with default value set to false
• var lifecycle_rules with default value set to []
• var retention_policy_period with unset default value
• var enable_object_retention with default value set to false

Reference

• https://registry.terraform.io/providers/hashicorp/google-beta/6.31.0/docs/resources/storage_bucket.html

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