feat(networkservices): update the API

#### networkservices:v1beta1

The following keys were added:
- schemas.Gateway.properties.routingMode.description
- schemas.Gateway.properties.routingMode.enum
- schemas.Gateway.properties.routingMode.enumDescriptions
- schemas.Gateway.properties.routingMode.type

The following keys were changed:
- schemas.GrpcRouteRetryPolicy.description

#### networkservices:v1

The following keys were added:
- schemas.Gateway.properties.routingMode.description
- schemas.Gateway.properties.routingMode.enum
- schemas.Gateway.properties.routingMode.enumDescriptions
- schemas.Gateway.properties.routingMode.type

The following keys were changed:
- schemas.GrpcRouteRetryPolicy.description

Author: yoshi-automation

discovery/networkservices-v1.json

@@ -2408,7 +2408,7 @@
       }
     }
   },
-  "revision": "20240721",
+  "revision": "20240818",
   "rootUrl": "https://networkservices.googleapis.com/",
   "schemas": {
     "AuditConfig": {
@@ -2814,6 +2814,18 @@
           },
           "type": "array"
         },
+        "routingMode": {
+          "description": "Optional. The routing mode of the Gateway. This field is configurable only for gateways of type SECURE_WEB_GATEWAY. This field is required for gateways of type SECURE_WEB_GATEWAY.",
+          "enum": [
+            "EXPLICIT_ROUTING_MODE",
+            "NEXT_HOP_ROUTING_MODE"
+          ],
+          "enumDescriptions": [
+            "The routing mode is explicit; clients are configured to send traffic through the gateway. This is the default routing mode.",
+            "The routing mode is next-hop. Clients are unaware of the gateway, and a route (advanced route or other route type) can be configured to direct traffic from client to gateway. The gateway then acts as a next-hop to the destination."
+          ],
+          "type": "string"
+        },
         "scope": {
           "description": "Optional. Scope determines how configuration across multiple Gateway instances are merged. The configuration for multiple Gateway instances with the same scope will be merged as presented as a single coniguration to the proxy/load balancer. Max length 64 characters. Scope should start with a letter and can only have letters, numbers, hyphens.",
           "type": "string"
@@ -3049,7 +3061,7 @@
       "type": "object"
     },
     "GrpcRouteRetryPolicy": {
-      "description": "The specifications for retries.",
+      "description": "The specifications for retries. Specifies one or more conditions for which this retry rule applies. Valid values are:",
       "id": "GrpcRouteRetryPolicy",
       "properties": {
         "numRetries": {

discovery/networkservices-v1beta1.json

@@ -2317,7 +2317,7 @@
       }
     }
   },
-  "revision": "20240721",
+  "revision": "20240818",
   "rootUrl": "https://networkservices.googleapis.com/",
   "schemas": {
     "AuditConfig": {
@@ -2772,6 +2772,18 @@
           },
           "type": "array"
         },
+        "routingMode": {
+          "description": "Optional. The routing mode of the Gateway. This field is configurable only for gateways of type SECURE_WEB_GATEWAY. This field is required for gateways of type SECURE_WEB_GATEWAY.",
+          "enum": [
+            "EXPLICIT_ROUTING_MODE",
+            "NEXT_HOP_ROUTING_MODE"
+          ],
+          "enumDescriptions": [
+            "The routing mode is explicit; clients are configured to send traffic through the gateway. This is the default routing mode.",
+            "The routing mode is next-hop. Clients are unaware of the gateway, and a route (advanced route or other route type) can be configured to direct traffic from client to gateway. The gateway then acts as a next-hop to the destination."
+          ],
+          "type": "string"
+        },
         "scope": {
           "description": "Optional. Scope determines how configuration across multiple Gateway instances are merged. The configuration for multiple Gateway instances with the same scope will be merged as presented as a single coniguration to the proxy/load balancer. Max length 64 characters. Scope should start with a letter and can only have letters, numbers, hyphens.",
           "type": "string"
@@ -3007,7 +3019,7 @@
       "type": "object"
     },
     "GrpcRouteRetryPolicy": {
-      "description": "The specifications for retries.",
+      "description": "The specifications for retries. Specifies one or more conditions for which this retry rule applies. Valid values are:",
       "id": "GrpcRouteRetryPolicy",
       "properties": {
         "numRetries": {

src/apis/networkservices/v1.ts

@@ -387,6 +387,10 @@ export namespace networkservices_v1 {
      * Required. One or more port numbers (1-65535), on which the Gateway will receive traffic. The proxy binds to the specified ports. Gateways of type 'SECURE_WEB_GATEWAY' are limited to 1 port. Gateways of type 'OPEN_MESH' listen on 0.0.0.0 for IPv4 and :: for IPv6 and support multiple ports.
      */
     ports?: number[] | null;
+    /**
+     * Optional. The routing mode of the Gateway. This field is configurable only for gateways of type SECURE_WEB_GATEWAY. This field is required for gateways of type SECURE_WEB_GATEWAY.
+     */
+    routingMode?: string | null;
     /**
      * Optional. Scope determines how configuration across multiple Gateway instances are merged. The configuration for multiple Gateway instances with the same scope will be merged as presented as a single coniguration to the proxy/load balancer. Max length 64 characters. Scope should start with a letter and can only have letters, numbers, hyphens.
      */
@@ -548,7 +552,7 @@ export namespace networkservices_v1 {
     type?: string | null;
   }
   /**
-   * The specifications for retries.
+   * The specifications for retries. Specifies one or more conditions for which this retry rule applies. Valid values are:
    */
   export interface Schema$GrpcRouteRetryPolicy {
     /**

src/apis/networkservices/v1beta1.ts

@@ -418,6 +418,10 @@ export namespace networkservices_v1beta1 {
      * Required. One or more port numbers (1-65535), on which the Gateway will receive traffic. The proxy binds to the specified ports. Gateways of type 'SECURE_WEB_GATEWAY' are limited to 1 port. Gateways of type 'OPEN_MESH' listen on 0.0.0.0 for IPv4 and :: for IPv6 and support multiple ports.
      */
     ports?: number[] | null;
+    /**
+     * Optional. The routing mode of the Gateway. This field is configurable only for gateways of type SECURE_WEB_GATEWAY. This field is required for gateways of type SECURE_WEB_GATEWAY.
+     */
+    routingMode?: string | null;
     /**
      * Optional. Scope determines how configuration across multiple Gateway instances are merged. The configuration for multiple Gateway instances with the same scope will be merged as presented as a single coniguration to the proxy/load balancer. Max length 64 characters. Scope should start with a letter and can only have letters, numbers, hyphens.
      */
@@ -579,7 +583,7 @@ export namespace networkservices_v1beta1 {
     type?: string | null;
   }
   /**
-   * The specifications for retries.
+   * The specifications for retries. Specifies one or more conditions for which this retry rule applies. Valid values are:
    */
   export interface Schema$GrpcRouteRetryPolicy {
     /**