chore: Add package/namespace options for C#, Ruby and PHP. This is a breaking change *only* for those languages, and packages for those languages have not been published yet.

PiperOrigin-RevId: 374806200

google/api/serviceusage/v1/resources.proto

@@ -26,10 +26,13 @@ import "google/api/usage.proto";
 import "google/protobuf/api.proto";
 import "google/api/annotations.proto";
 
+option csharp_namespace = "Google.Cloud.ServiceUsage.V1";
 option go_package = "google.golang.org/genproto/googleapis/api/serviceusage/v1;serviceusage";
 option java_multiple_files = true;
 option java_outer_classname = "ResourcesProto";
 option java_package = "com.google.api.serviceusage.v1";
+option php_namespace = "Google\\Cloud\\ServiceUsage\\V1";
+option ruby_package = "Google::Cloud::ServiceUsage::V1";
 
 // A service that is available for use by the consumer.
 message Service {

google/api/serviceusage/v1/serviceusage.proto

@@ -21,12 +21,19 @@ import "google/api/serviceusage/v1/resources.proto";
 import "google/longrunning/operations.proto";
 import "google/api/client.proto";
 
+option csharp_namespace = "Google.Cloud.ServiceUsage.V1";
 option go_package = "google.golang.org/genproto/googleapis/api/serviceusage/v1;serviceusage";
 option java_multiple_files = true;
 option java_outer_classname = "ServiceUsageProto";
 option java_package = "com.google.api.serviceusage.v1";
+option php_namespace = "Google\\Cloud\\ServiceUsage\\V1";
+option ruby_package = "Google::Cloud::ServiceUsage::V1";
 
-// [Service Usage API](/service-usage/docs/overview)
+// Enables services that service consumers want to use on Google Cloud Platform,
+// lists the available or enabled services, or disables services that service
+// consumers no longer use.
+//
+// See [Service Usage API](https://cloud.google.com/service-usage/docs/overview)
 service ServiceUsage {
   option (google.api.default_host) = "serviceusage.googleapis.com";
   option (google.api.oauth_scopes) =