chore: regenerate chat client (googleapis#30085)

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-chat/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-chat</artifactId>
-      <version>v1-rev20251106-2.0.0</version>
+      <version>v1-rev20251109-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-chat:v1-rev20251106-2.0.0'
+  implementation 'com.google.apis:google-api-services-chat:v1-rev20251109-2.0.0'
 }
 ```
 

clients/google-api-services-chat/v1/2.0.0/com/google/api/services/chat/v1/model/Attachment.java

@@ -68,7 +68,7 @@ public final class Attachment extends com.google.api.client.json.GenericJson {
   private DriveDataRef driveDataRef;
 
   /**
-   * Optional. Resource name of the attachment, in the form
+   * Identifier. Resource name of the attachment. Format:
    * `spaces/{space}/messages/{message}/attachments/{attachment}`.
    * The value may be {@code null}.
    */
@@ -182,7 +182,7 @@ public Attachment setDriveDataRef(DriveDataRef driveDataRef) {
   }
 
   /**
-   * Optional. Resource name of the attachment, in the form
+   * Identifier. Resource name of the attachment. Format:
    * `spaces/{space}/messages/{message}/attachments/{attachment}`.
    * @return value or {@code null} for none
    */
@@ -191,7 +191,7 @@ public java.lang.String getName() {
   }
 
   /**
-   * Optional. Resource name of the attachment, in the form
+   * Identifier. Resource name of the attachment. Format:
    * `spaces/{space}/messages/{message}/attachments/{attachment}`.
    * @param name name or {@code null} for none
    */

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

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-chat</artifactId>
-  <version>v1-rev20251106-2.0.0</version>
-  <name>Google Chat API v1-rev20251106-2.0.0</name>
+  <version>v1-rev20251109-2.0.0</version>
+  <name>Google Chat API v1-rev20251109-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-chat/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-chat</artifactId>
-      <version>v1-rev20251106-2.0.0</version>
+      <version>v1-rev20251109-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-chat:v1-rev20251106-2.0.0'
+  implementation 'com.google.apis:google-api-services-chat:v1-rev20251109-2.0.0'
 }
 ```