chore: regenerate observability client (googleapis#29657)

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-observability/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-observability</artifactId>
-      <version>v1-rev20250904-2.0.0</version>
+      <version>v1-rev20250925-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-observability:v1-rev20250904-2.0.0'
+  implementation 'com.google.apis:google-api-services-observability:v1-rev20250925-2.0.0'
 }
 ```
 

clients/google-api-services-observability/v1/2.0.0/com/google/api/services/observability/v1/CloudObservability.java

@@ -1156,6 +1156,40 @@ public List setPageToken(java.lang.String pageToken) {
             return this;
           }
 
+          /**
+           * When set to `true`, operations that are reachable are returned as normal, and those
+           * that are unreachable are returned in the [ListOperationsResponse.unreachable] field.
+           * This can only be `true` when reading across collections e.g. when `parent` is set to
+           * `"projects/example/locations/-"`. This field is not by default supported and will
+           * result in an `UNIMPLEMENTED` error if set unless explicitly documented otherwise in
+           * service or product specific documentation.
+           */
+          @com.google.api.client.util.Key
+          private java.lang.Boolean returnPartialSuccess;
+
+          /** When set to `true`, operations that are reachable are returned as normal, and those that are
+         unreachable are returned in the [ListOperationsResponse.unreachable] field. This can only be `true`
+         when reading across collections e.g. when `parent` is set to `"projects/example/locations/-"`. This
+         field is not by default supported and will result in an `UNIMPLEMENTED` error if set unless
+         explicitly documented otherwise in service or product specific documentation.
+           */
+          public java.lang.Boolean getReturnPartialSuccess() {
+            return returnPartialSuccess;
+          }
+
+          /**
+           * When set to `true`, operations that are reachable are returned as normal, and those
+           * that are unreachable are returned in the [ListOperationsResponse.unreachable] field.
+           * This can only be `true` when reading across collections e.g. when `parent` is set to
+           * `"projects/example/locations/-"`. This field is not by default supported and will
+           * result in an `UNIMPLEMENTED` error if set unless explicitly documented otherwise in
+           * service or product specific documentation.
+           */
+          public List setReturnPartialSuccess(java.lang.Boolean returnPartialSuccess) {
+            this.returnPartialSuccess = returnPartialSuccess;
+            return this;
+          }
+
           @Override
           public List set(String parameterName, Object value) {
             return (List) super.set(parameterName, value);

clients/google-api-services-observability/v1/2.0.0/com/google/api/services/observability/v1/model/ListOperationsResponse.java

@@ -43,6 +43,15 @@ public final class ListOperationsResponse extends com.google.api.client.json.Gen
   @com.google.api.client.util.Key
   private java.util.List<Operation> operations;
 
+  /**
+   * Unordered list. Unreachable resources. Populated when the request sets
+   * `ListOperationsRequest.return_partial_success` and reads across collections e.g. when
+   * attempting to list all resources across all supported locations.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.util.List<java.lang.String> unreachable;
+
   /**
    * The standard List next-page token.
    * @return value or {@code null} for none
@@ -77,6 +86,27 @@ public ListOperationsResponse setOperations(java.util.List<Operation> operations
     return this;
   }
 
+  /**
+   * Unordered list. Unreachable resources. Populated when the request sets
+   * `ListOperationsRequest.return_partial_success` and reads across collections e.g. when
+   * attempting to list all resources across all supported locations.
+   * @return value or {@code null} for none
+   */
+  public java.util.List<java.lang.String> getUnreachable() {
+    return unreachable;
+  }
+
+  /**
+   * Unordered list. Unreachable resources. Populated when the request sets
+   * `ListOperationsRequest.return_partial_success` and reads across collections e.g. when
+   * attempting to list all resources across all supported locations.
+   * @param unreachable unreachable or {@code null} for none
+   */
+  public ListOperationsResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
+    this.unreachable = unreachable;
+    return this;
+  }
+
   @Override
   public ListOperationsResponse set(String fieldName, Object value) {
     return (ListOperationsResponse) super.set(fieldName, value);

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

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-observability</artifactId>
-  <version>v1-rev20250904-2.0.0</version>
-  <name>Observability API v1-rev20250904-2.0.0</name>
+  <version>v1-rev20250925-2.0.0</version>
+  <name>Observability API v1-rev20250925-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-observability/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-observability</artifactId>
-      <version>v1-rev20250904-2.0.0</version>
+      <version>v1-rev20250925-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-observability:v1-rev20250904-2.0.0'
+  implementation 'com.google.apis:google-api-services-observability:v1-rev20250925-2.0.0'
 }
 ```