chore: regenerate datamigration client (googleapis#27245)

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-datamigration/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-datamigration</artifactId>
-      <version>v1-rev20250519-2.0.0</version>
+      <version>v1-rev20250521-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-datamigration:v1-rev20250519-2.0.0'
+  implementation 'com.google.apis:google-api-services-datamigration:v1-rev20250521-2.0.0'
 }
 ```
 

clients/google-api-services-datamigration/v1/2.0.0/com/google/api/services/datamigration/v1/model/GoogleCloudClouddmsV1OperationMetadata.java

@@ -51,6 +51,13 @@ public final class GoogleCloudClouddmsV1OperationMetadata extends com.google.api
   @com.google.api.client.util.Key
   private String endTime;
 
+  /**
+   * Output only. Additional metadata that is returned by the backend for the operation.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.util.Map<String, java.lang.String> metadata;
+
   /**
    * Output only. Identifies whether the user has requested cancellation of the operation.
    * Operations that have successfully been cancelled have google.longrunning.Operation.error value
@@ -132,6 +139,23 @@ public GoogleCloudClouddmsV1OperationMetadata setEndTime(String endTime) {
     return this;
   }
 
+  /**
+   * Output only. Additional metadata that is returned by the backend for the operation.
+   * @return value or {@code null} for none
+   */
+  public java.util.Map<String, java.lang.String> getMetadata() {
+    return metadata;
+  }
+
+  /**
+   * Output only. Additional metadata that is returned by the backend for the operation.
+   * @param metadata metadata or {@code null} for none
+   */
+  public GoogleCloudClouddmsV1OperationMetadata setMetadata(java.util.Map<String, java.lang.String> metadata) {
+    this.metadata = metadata;
+    return this;
+  }
+
   /**
    * Output only. Identifies whether the user has requested cancellation of the operation.
    * Operations that have successfully been cancelled have google.longrunning.Operation.error value

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

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-datamigration</artifactId>
-  <version>v1-rev20250519-2.0.0</version>
-  <name>Database Migration API v1-rev20250519-2.0.0</name>
+  <version>v1-rev20250521-2.0.0</version>
+  <name>Database Migration API v1-rev20250521-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-datamigration/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-datamigration</artifactId>
-      <version>v1-rev20250519-2.0.0</version>
+      <version>v1-rev20250521-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-datamigration:v1-rev20250519-2.0.0'
+  implementation 'com.google.apis:google-api-services-datamigration:v1-rev20250521-2.0.0'
 }
 ```