chore: regenerate gkebackup client (googleapis#29626)

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-gkebackup/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-gkebackup</artifactId>
-      <version>v1-rev20250813-2.0.0</version>
+      <version>v1-rev20250922-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-gkebackup:v1-rev20250813-2.0.0'
+  implementation 'com.google.apis:google-api-services-gkebackup:v1-rev20250922-2.0.0'
 }
 ```
 

clients/google-api-services-gkebackup/v1/2.0.0/com/google/api/services/gkebackup/v1/BackupforGKE.java

@@ -445,22 +445,22 @@ public List setName(java.lang.String name) {
         }
 
         /**
-         * Optional. Do not use this field. It is unsupported and is ignored unless explicitly
-         * documented otherwise. This is primarily for internal usage.
+         * Optional. Unless explicitly documented otherwise, don't use this unsupported field which
+         * is primarily intended for internal usage.
          */
         @com.google.api.client.util.Key
         private java.util.List<java.lang.String> extraLocationTypes;
 
-        /** Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented
-       otherwise. This is primarily for internal usage.
+        /** Optional. Unless explicitly documented otherwise, don't use this unsupported field which is
+       primarily intended for internal usage.
          */
         public java.util.List<java.lang.String> getExtraLocationTypes() {
           return extraLocationTypes;
         }
 
         /**
-         * Optional. Do not use this field. It is unsupported and is ignored unless explicitly
-         * documented otherwise. This is primarily for internal usage.
+         * Optional. Unless explicitly documented otherwise, don't use this unsupported field which
+         * is primarily intended for internal usage.
          */
         public List setExtraLocationTypes(java.util.List<java.lang.String> extraLocationTypes) {
           this.extraLocationTypes = extraLocationTypes;

clients/google-api-services-gkebackup/v1/2.0.0/com/google/api/services/gkebackup/v1/model/ExclusionWindow.java

@@ -64,7 +64,7 @@ public final class ExclusionWindow extends com.google.api.client.json.GenericJso
   private Date singleOccurrenceDate;
 
   /**
-   * Required. Specifies the start time of the window using time of the day in UTC.
+   * Optional. Specifies the start time of the window using time of the day in UTC.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -151,15 +151,15 @@ public ExclusionWindow setSingleOccurrenceDate(Date singleOccurrenceDate) {
   }
 
   /**
-   * Required. Specifies the start time of the window using time of the day in UTC.
+   * Optional. Specifies the start time of the window using time of the day in UTC.
    * @return value or {@code null} for none
    */
   public TimeOfDay getStartTime() {
     return startTime;
   }
 
   /**
-   * Required. Specifies the start time of the window using time of the day in UTC.
+   * Optional. Specifies the start time of the window using time of the day in UTC.
    * @param startTime startTime or {@code null} for none
    */
   public ExclusionWindow setStartTime(TimeOfDay startTime) {

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

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-gkebackup</artifactId>
-  <version>v1-rev20250813-2.0.0</version>
-  <name>Backup for GKE API v1-rev20250813-2.0.0</name>
+  <version>v1-rev20250922-2.0.0</version>
+  <name>Backup for GKE API v1-rev20250922-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-gkebackup/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-gkebackup</artifactId>
-      <version>v1-rev20250813-2.0.0</version>
+      <version>v1-rev20250922-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-gkebackup:v1-rev20250813-2.0.0'
+  implementation 'com.google.apis:google-api-services-gkebackup:v1-rev20250922-2.0.0'
 }
 ```