chore: regenerate chat client (googleapis#22554)

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-rev20240725-2.0.0</version>
+      <version>v1-rev20240728-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-chat:v1-rev20240725-2.0.0'
+  implementation 'com.google.apis:google-api-services-chat:v1-rev20240728-2.0.0'
 }
 ```
 

clients/google-api-services-chat/v1/2.0.0/com/google/api/services/chat/v1/model/GoogleAppsCardV1Columns.java

@@ -31,8 +31,7 @@
  * second column wraps if the screen width is less than or equal to 300 pt. * On Android devices,
  * the second column wraps if the screen width is less than or equal to 320 dp. To include more than
  * 2 columns, or to use rows, use the `Grid` widget. [Google Workspace Add-ons and Chat
- * apps](https://developers.google.com/workspace/extend): Columns for Google Workspace Add-ons are
- * in Developer Preview.
+ * apps](https://developers.google.com/workspace/extend):
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Google Chat API. For a detailed explanation see:

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-rev20240725-2.0.0</version>
-  <name>Google Chat API v1-rev20240725-2.0.0</name>
+  <version>v1-rev20240728-2.0.0</version>
+  <name>Google Chat API v1-rev20240728-2.0.0</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-rev20240725-2.0.0</version>
+      <version>v1-rev20240728-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-chat:v1-rev20240725-2.0.0'
+  implementation 'com.google.apis:google-api-services-chat:v1-rev20240728-2.0.0'
 }
 ```