fix(eventarc): update the API

#### eventarc:v1beta1

The following keys were changed:
- schemas.CloudRunService.properties.service.description
- schemas.Trigger.properties.transport.description

#### eventarc:v1

The following keys were changed:
- schemas.Trigger.properties.transport.description

discovery/eventarc-v1.json

@@ -1197,7 +1197,7 @@
       }
     }
   },
-  "revision": "20221207",
+  "revision": "20230120",
   "rootUrl": "https://eventarc.googleapis.com/",
   "schemas": {
     "AuditConfig": {
@@ -2081,7 +2081,7 @@
         },
         "transport": {
           "$ref": "Transport",
-          "description": "Optional. To deliver messages, Eventarc might use other GCP products as a transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes."
+          "description": "Optional. To deliver messages, Eventarc might use other Google Cloud products as a transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes."
         },
         "uid": {
           "description": "Output only. Server-assigned unique identifier for the trigger. The value is a UUID4 string and guaranteed to remain unchanged until the resource is deleted.",

discovery/eventarc-v1beta1.json

@@ -584,7 +584,7 @@
       }
     }
   },
-  "revision": "20221207",
+  "revision": "20230120",
   "rootUrl": "https://eventarc.googleapis.com/",
   "schemas": {
     "AuditConfig": {
@@ -676,7 +676,7 @@
           "type": "string"
         },
         "service": {
-          "description": "Required. The name of the Cloud run service being addressed (see https://cloud.google.com/run/docs/reference/rest/v1/namespaces.services). Only services located in the same project of the trigger object can be addressed.",
+          "description": "Required. The name of the Cloud run service being addressed. See https://cloud.google.com/run/docs/reference/rest/v1/namespaces.services. Only services located in the same project of the trigger object can be addressed.",
           "type": "string"
         }
       },
@@ -1083,7 +1083,7 @@
         },
         "transport": {
           "$ref": "Transport",
-          "description": "Output only. In order to deliver messages, Eventarc may use other GCP products as transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes.",
+          "description": "Output only. In order to deliver messages, Eventarc may use other Google Cloud products as transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes.",
           "readOnly": true
         },
         "updateTime": {

src/apis/eventarc/v1.ts

@@ -744,7 +744,7 @@ export namespace eventarc_v1 {
      */
     serviceAccount?: string | null;
     /**
-     * Optional. To deliver messages, Eventarc might use other GCP products as a transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes.
+     * Optional. To deliver messages, Eventarc might use other Google Cloud products as a transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes.
      */
     transport?: Schema$Transport;
     /**

src/apis/eventarc/v1beta1.ts

@@ -184,7 +184,7 @@ export namespace eventarc_v1beta1 {
      */
     region?: string | null;
     /**
-     * Required. The name of the Cloud run service being addressed (see https://cloud.google.com/run/docs/reference/rest/v1/namespaces.services). Only services located in the same project of the trigger object can be addressed.
+     * Required. The name of the Cloud run service being addressed. See https://cloud.google.com/run/docs/reference/rest/v1/namespaces.services. Only services located in the same project of the trigger object can be addressed.
      */
     service?: string | null;
   }
@@ -485,7 +485,7 @@ export namespace eventarc_v1beta1 {
      */
     serviceAccount?: string | null;
     /**
-     * Output only. In order to deliver messages, Eventarc may use other GCP products as transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes.
+     * Output only. In order to deliver messages, Eventarc may use other Google Cloud products as transport intermediary. This field contains a reference to that transport intermediary. This information can be used for debugging purposes.
      */
     transport?: Schema$Transport;
     /**