chore: regenerate chat client (googleapis#28013)

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-rev20250615-2.0.0</version>
+      <version>v1-rev20250619-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-chat:v1-rev20250615-2.0.0'
+  implementation 'com.google.apis:google-api-services-chat:v1-rev20250619-2.0.0'
 }
 ```
 

clients/google-api-services-chat/v1/2.0.0/com/google/api/services/chat/v1/model/GoogleAppsCardV1Widget.java

@@ -78,7 +78,7 @@ public final class GoogleAppsCardV1Widget extends com.google.api.client.json.Gen
    * Displays a widget that lets users input a date, time, or date and time. For example, the
    * following JSON creates a date time picker to schedule an appointment: ``` "dateTimePicker": {
    * "name": "appointment_time", "label": "Book your appointment at:", "type": "DATE_AND_TIME",
-   * "valueMsEpoch": "796435200000" } ```
+   * "valueMsEpoch": 796435200000 } ```
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -275,7 +275,7 @@ public GoogleAppsCardV1Widget setColumns(GoogleAppsCardV1Columns columns) {
    * Displays a widget that lets users input a date, time, or date and time. For example, the
    * following JSON creates a date time picker to schedule an appointment: ``` "dateTimePicker": {
    * "name": "appointment_time", "label": "Book your appointment at:", "type": "DATE_AND_TIME",
-   * "valueMsEpoch": "796435200000" } ```
+   * "valueMsEpoch": 796435200000 } ```
    * @return value or {@code null} for none
    */
   public GoogleAppsCardV1DateTimePicker getDateTimePicker() {
@@ -286,7 +286,7 @@ public GoogleAppsCardV1DateTimePicker getDateTimePicker() {
    * Displays a widget that lets users input a date, time, or date and time. For example, the
    * following JSON creates a date time picker to schedule an appointment: ``` "dateTimePicker": {
    * "name": "appointment_time", "label": "Book your appointment at:", "type": "DATE_AND_TIME",
-   * "valueMsEpoch": "796435200000" } ```
+   * "valueMsEpoch": 796435200000 } ```
    * @param dateTimePicker dateTimePicker or {@code null} for none
    */
   public GoogleAppsCardV1Widget setDateTimePicker(GoogleAppsCardV1DateTimePicker dateTimePicker) {

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-rev20250615-2.0.0</version>
-  <name>Google Chat API v1-rev20250615-2.0.0</name>
+  <version>v1-rev20250619-2.0.0</version>
+  <name>Google Chat API v1-rev20250619-2.0.0</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-rev20250615-2.0.0</version>
+      <version>v1-rev20250619-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-chat:v1-rev20250615-2.0.0'
+  implementation 'com.google.apis:google-api-services-chat:v1-rev20250619-2.0.0'
 }
 ```