chore: regenerate cloudbilling client (googleapis#23645)

Generated in GitHub action: https://togithub.com/googleapis/googleapis/google-api-java-client-services/actions/workflows/codegen.yaml

Author: yoshi-code-bot

clients/google-api-services-cloudbilling/v1/2.0.0/README.md

@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudbilling</artifactId>
-      <version>v1-rev20240517-2.0.0</version>
+      <version>v1-rev20241011-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudbilling:v1-rev20240517-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudbilling:v1-rev20241011-2.0.0'
 }
 ```
 

clients/google-api-services-cloudbilling/v1/2.0.0/com/google/api/services/cloudbilling/model/BillingAccount.java

@@ -30,6 +30,18 @@
 @SuppressWarnings("javadoc")
 public final class BillingAccount extends com.google.api.client.json.GenericJson {
 
+  /**
+   * Optional. The currency in which the billing account is billed and charged, represented as an
+   * ISO 4217 code such as `USD`. Billing account currency is determined at the time of billing
+   * account creation and cannot be updated subsequently, so this field should not be set on update
+   * requests. In addition, a subaccount always matches the currency of its parent billing account,
+   * so this field should not be set on subaccount creation requests. Clients can read this field to
+   * determine the currency of an existing billing account.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String currencyCode;
+
   /**
    * The display name given to the billing account, such as `My Billing Account`. This name is
    * displayed in the Google Cloud Console.
@@ -75,6 +87,33 @@ public final class BillingAccount extends com.google.api.client.json.GenericJson
   @com.google.api.client.util.Key
   private java.lang.String parent;
 
+  /**
+   * Optional. The currency in which the billing account is billed and charged, represented as an
+   * ISO 4217 code such as `USD`. Billing account currency is determined at the time of billing
+   * account creation and cannot be updated subsequently, so this field should not be set on update
+   * requests. In addition, a subaccount always matches the currency of its parent billing account,
+   * so this field should not be set on subaccount creation requests. Clients can read this field to
+   * determine the currency of an existing billing account.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getCurrencyCode() {
+    return currencyCode;
+  }
+
+  /**
+   * Optional. The currency in which the billing account is billed and charged, represented as an
+   * ISO 4217 code such as `USD`. Billing account currency is determined at the time of billing
+   * account creation and cannot be updated subsequently, so this field should not be set on update
+   * requests. In addition, a subaccount always matches the currency of its parent billing account,
+   * so this field should not be set on subaccount creation requests. Clients can read this field to
+   * determine the currency of an existing billing account.
+   * @param currencyCode currencyCode or {@code null} for none
+   */
+  public BillingAccount setCurrencyCode(java.lang.String currencyCode) {
+    this.currencyCode = currencyCode;
+    return this;
+  }
+
   /**
    * The display name given to the billing account, such as `My Billing Account`. This name is
    * displayed in the Google Cloud Console.

clients/google-api-services-cloudbilling/v1/2.0.0/pom.xml

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-cloudbilling</artifactId>
-  <version>v1-rev20240517-2.0.0</version>
-  <name>Cloud Billing API v1-rev20240517-2.0.0</name>
+  <version>v1-rev20241011-2.0.0</version>
+  <name>Cloud Billing API v1-rev20241011-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-cloudbilling/v1/README.md

@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudbilling</artifactId>
-      <version>v1-rev20240517-2.0.0</version>
+      <version>v1-rev20241011-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudbilling:v1-rev20240517-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudbilling:v1-rev20241011-2.0.0'
 }
 ```