🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

google-cloud-bigtable-admin-v2/lib/google/cloud/bigtable/admin/v2/bigtable_instance_admin/client.rb

@@ -1148,7 +1148,7 @@ def list_clusters request, options = nil
               #   @param options [::Gapic::CallOptions, ::Hash]
               #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
               #
-              # @overload update_cluster(name: nil, location: nil, serve_nodes: nil, cluster_config: nil, default_storage_type: nil, encryption_config: nil)
+              # @overload update_cluster(name: nil, location: nil, serve_nodes: nil, node_scaling_factor: nil, cluster_config: nil, default_storage_type: nil, encryption_config: nil)
               #   Pass arguments to `update_cluster` via keyword arguments. Note that at
               #   least one keyword argument is required. To specify no parameters, or to keep all
               #   the default parameter values, pass an empty Hash as a request object (see above).
@@ -1164,6 +1164,8 @@ def list_clusters request, options = nil
               #   @param serve_nodes [::Integer]
               #     The number of nodes allocated to this cluster. More nodes enable higher
               #     throughput and more consistent performance.
+              #   @param node_scaling_factor [::Google::Cloud::Bigtable::Admin::V2::Cluster::NodeScalingFactor]
+              #     Immutable. The node scaling factor of this cluster.
               #   @param cluster_config [::Google::Cloud::Bigtable::Admin::V2::Cluster::ClusterConfig, ::Hash]
               #     Configuration for this cluster.
               #   @param default_storage_type [::Google::Cloud::Bigtable::Admin::V2::StorageType]

google-cloud-bigtable-admin-v2/proto_docs/google/bigtable/admin/v2/instance.rb

@@ -159,6 +159,9 @@ class AutoscalingLimits
           #   @return [::Integer]
           #     The number of nodes allocated to this cluster. More nodes enable higher
           #     throughput and more consistent performance.
+          # @!attribute [rw] node_scaling_factor
+          #   @return [::Google::Cloud::Bigtable::Admin::V2::Cluster::NodeScalingFactor]
+          #     Immutable. The node scaling factor of this cluster.
           # @!attribute [rw] cluster_config
           #   @return [::Google::Cloud::Bigtable::Admin::V2::Cluster::ClusterConfig]
           #     Configuration for this cluster.
@@ -237,6 +240,21 @@ module State
               # exist, but no operations can be performed on the cluster.
               DISABLED = 4
             end
+
+            # Possible node scaling factors of the clusters. Node scaling delivers better
+            # latency and more throughput by removing node boundaries.
+            module NodeScalingFactor
+              # No node scaling specified. Defaults to NODE_SCALING_FACTOR_1X.
+              NODE_SCALING_FACTOR_UNSPECIFIED = 0
+
+              # The cluster is running with a scaling factor of 1.
+              NODE_SCALING_FACTOR_1X = 1
+
+              # The cluster is running with a scaling factor of 2.
+              # All node count values must be in increments of 2 with this scaling factor
+              # enabled, otherwise an INVALID_ARGUMENT error will be returned.
+              NODE_SCALING_FACTOR_2X = 2
+            end
           end
 
           # A configuration object describing how Cloud Bigtable should treat traffic