chore: regenerate pubsub client (googleapis#26639)

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-pubsub/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-pubsub</artifactId>
-      <version>v1-rev20250311-2.0.0</version>
+      <version>v1-rev20250414-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-pubsub:v1-rev20250311-2.0.0'
+  implementation 'com.google.apis:google-api-services-pubsub:v1-rev20250414-2.0.0'
 }
 ```
 

clients/google-api-services-pubsub/v1/2.0.0/com/google/api/services/pubsub/model/JavaScriptUDF.java

@@ -36,7 +36,7 @@ public final class JavaScriptUDF extends com.google.api.client.json.GenericJson
    * 'data' : {string} * - (optional) 'attributes' : {Object} * Returning empty `attributes` will
    * remove all attributes from the * message. * * @param {(Object)>} Pub/Sub * message. Keys: * -
    * (required) 'data' : {string} * - (required) 'attributes' : {Object} * * @param {Object}
-   * metadata - Pub/Sub message metadata. * Keys: * - (required) 'message_id' : {string} * -
+   * metadata - Pub/Sub message metadata. * Keys: * - (optional) 'message_id' : {string} * -
    * (optional) 'publish_time': {string} YYYY-MM-DDTHH:MM:SSZ format * - (optional) 'ordering_key':
    * {string}  function (message, metadata) { } ```
    * The value may be {@code null}.
@@ -58,7 +58,7 @@ public final class JavaScriptUDF extends com.google.api.client.json.GenericJson
    * 'data' : {string} * - (optional) 'attributes' : {Object} * Returning empty `attributes` will
    * remove all attributes from the * message. * * @param {(Object)>} Pub/Sub * message. Keys: * -
    * (required) 'data' : {string} * - (required) 'attributes' : {Object} * * @param {Object}
-   * metadata - Pub/Sub message metadata. * Keys: * - (required) 'message_id' : {string} * -
+   * metadata - Pub/Sub message metadata. * Keys: * - (optional) 'message_id' : {string} * -
    * (optional) 'publish_time': {string} YYYY-MM-DDTHH:MM:SSZ format * - (optional) 'ordering_key':
    * {string}  function (message, metadata) { } ```
    * @return value or {@code null} for none
@@ -74,7 +74,7 @@ public java.lang.String getCode() {
    * 'data' : {string} * - (optional) 'attributes' : {Object} * Returning empty `attributes` will
    * remove all attributes from the * message. * * @param {(Object)>} Pub/Sub * message. Keys: * -
    * (required) 'data' : {string} * - (required) 'attributes' : {Object} * * @param {Object}
-   * metadata - Pub/Sub message metadata. * Keys: * - (required) 'message_id' : {string} * -
+   * metadata - Pub/Sub message metadata. * Keys: * - (optional) 'message_id' : {string} * -
    * (optional) 'publish_time': {string} YYYY-MM-DDTHH:MM:SSZ format * - (optional) 'ordering_key':
    * {string}  function (message, metadata) { } ```
    * @param code code or {@code null} for none

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

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-pubsub</artifactId>
-  <version>v1-rev20250311-2.0.0</version>
-  <name>Cloud Pub/Sub API v1-rev20250311-2.0.0</name>
+  <version>v1-rev20250414-2.0.0</version>
+  <name>Cloud Pub/Sub API v1-rev20250414-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-pubsub/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-pubsub</artifactId>
-      <version>v1-rev20250311-2.0.0</version>
+      <version>v1-rev20250414-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-pubsub:v1-rev20250311-2.0.0'
+  implementation 'com.google.apis:google-api-services-pubsub:v1-rev20250414-2.0.0'
 }
 ```