feat(networkconnectivity): update the api

#### networkconnectivity:v1

The following keys were added:
- schemas.Hub.properties.routingVpcs.readOnly (Total Keys: 1)
- schemas.LinkedProducerVpcNetwork.properties.proposedIncludeExportRanges.readOnly (Total Keys: 1)
- schemas.LinkedVpcNetwork.properties.proposedIncludeExportRanges.readOnly (Total Keys: 1)

Author: yoshi-automation

docs/dyn/networkconnectivity_v1.projects.locations.global_.hubs.html

@@ -253,7 +253,7 @@ <h3>Method Details</h3>
   &quot;routeTables&quot;: [ # Output only. The route tables that belong to this hub. They use the following form: `projects/{project_number}/locations/global/hubs/{hub_id}/routeTables/{route_table_id}` This field is read-only. Network Connectivity Center automatically populates it based on the route tables nested under the hub.
     &quot;A String&quot;,
   ],
-  &quot;routingVpcs&quot;: [ # The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
+  &quot;routingVpcs&quot;: [ # Output only. The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
     { # RoutingVPC contains information about the VPC networks associated with the spokes of a Network Connectivity Center hub.
       &quot;requiredForNewSiteToSiteDataTransferSpokes&quot;: True or False, # Output only. If true, indicates that this VPC network is currently associated with spokes that use the data transfer feature (spokes where the site_to_site_data_transfer field is set to true). If you create new spokes that use data transfer, they must be associated with this VPC network. At most, one VPC network will have this field set to true.
       &quot;uri&quot;: &quot;A String&quot;, # The URI of the VPC network.
@@ -378,7 +378,7 @@ <h3>Method Details</h3>
   &quot;routeTables&quot;: [ # Output only. The route tables that belong to this hub. They use the following form: `projects/{project_number}/locations/global/hubs/{hub_id}/routeTables/{route_table_id}` This field is read-only. Network Connectivity Center automatically populates it based on the route tables nested under the hub.
     &quot;A String&quot;,
   ],
-  &quot;routingVpcs&quot;: [ # The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
+  &quot;routingVpcs&quot;: [ # Output only. The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
     { # RoutingVPC contains information about the VPC networks associated with the spokes of a Network Connectivity Center hub.
       &quot;requiredForNewSiteToSiteDataTransferSpokes&quot;: True or False, # Output only. If true, indicates that this VPC network is currently associated with spokes that use the data transfer feature (spokes where the site_to_site_data_transfer field is set to true). If you create new spokes that use data transfer, they must be associated with this VPC network. At most, one VPC network will have this field set to true.
       &quot;uri&quot;: &quot;A String&quot;, # The URI of the VPC network.
@@ -491,7 +491,7 @@ <h3>Method Details</h3>
       &quot;routeTables&quot;: [ # Output only. The route tables that belong to this hub. They use the following form: `projects/{project_number}/locations/global/hubs/{hub_id}/routeTables/{route_table_id}` This field is read-only. Network Connectivity Center automatically populates it based on the route tables nested under the hub.
         &quot;A String&quot;,
       ],
-      &quot;routingVpcs&quot;: [ # The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
+      &quot;routingVpcs&quot;: [ # Output only. The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
         { # RoutingVPC contains information about the VPC networks associated with the spokes of a Network Connectivity Center hub.
           &quot;requiredForNewSiteToSiteDataTransferSpokes&quot;: True or False, # Output only. If true, indicates that this VPC network is currently associated with spokes that use the data transfer feature (spokes where the site_to_site_data_transfer field is set to true). If you create new spokes that use data transfer, they must be associated with this VPC network. At most, one VPC network will have this field set to true.
           &quot;uri&quot;: &quot;A String&quot;, # The URI of the VPC network.
@@ -591,7 +591,7 @@ <h3>Method Details</h3>
         &quot;proposedExcludeExportRanges&quot;: [ # Output only. The proposed exclude export IP ranges waiting for hub administration&#x27;s approval.
           &quot;A String&quot;,
         ],
-        &quot;proposedIncludeExportRanges&quot;: [ # Optional. The proposed include export IP ranges waiting for hub administration&#x27;s approval.
+        &quot;proposedIncludeExportRanges&quot;: [ # Output only. The proposed include export IP ranges waiting for hub administration&#x27;s approval.
           &quot;A String&quot;,
         ],
         &quot;serviceConsumerVpcSpoke&quot;: &quot;A String&quot;, # Output only. The Service Consumer Network spoke.
@@ -622,7 +622,7 @@ <h3>Method Details</h3>
         &quot;proposedExcludeExportRanges&quot;: [ # Output only. The proposed exclude export IP ranges waiting for hub administration&#x27;s approval.
           &quot;A String&quot;,
         ],
-        &quot;proposedIncludeExportRanges&quot;: [ # Optional. The proposed include export IP ranges waiting for hub administration&#x27;s approval.
+        &quot;proposedIncludeExportRanges&quot;: [ # Output only. The proposed include export IP ranges waiting for hub administration&#x27;s approval.
           &quot;A String&quot;,
         ],
         &quot;uri&quot;: &quot;A String&quot;, # Required. The URI of the VPC network resource.
@@ -707,7 +707,7 @@ <h3>Method Details</h3>
   &quot;routeTables&quot;: [ # Output only. The route tables that belong to this hub. They use the following form: `projects/{project_number}/locations/global/hubs/{hub_id}/routeTables/{route_table_id}` This field is read-only. Network Connectivity Center automatically populates it based on the route tables nested under the hub.
     &quot;A String&quot;,
   ],
-  &quot;routingVpcs&quot;: [ # The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
+  &quot;routingVpcs&quot;: [ # Output only. The VPC networks associated with this hub&#x27;s spokes. This field is read-only. Network Connectivity Center automatically populates it based on the set of spokes attached to the hub.
     { # RoutingVPC contains information about the VPC networks associated with the spokes of a Network Connectivity Center hub.
       &quot;requiredForNewSiteToSiteDataTransferSpokes&quot;: True or False, # Output only. If true, indicates that this VPC network is currently associated with spokes that use the data transfer feature (spokes where the site_to_site_data_transfer field is set to true). If you create new spokes that use data transfer, they must be associated with this VPC network. At most, one VPC network will have this field set to true.
       &quot;uri&quot;: &quot;A String&quot;, # The URI of the VPC network.