chore: regenerate merchantapi client (googleapis#29880)

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-merchantapi/accounts_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-merchantapi</artifactId>
-      <version>accounts_v1-rev20251002-2.0.0</version>
+      <version>accounts_v1-rev20251021-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1-rev20251002-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1-rev20251021-2.0.0'
 }
 ```
 

clients/google-api-services-merchantapi/accounts_v1/2.0.0/com/google/api/services/merchantapi/accounts_v1/model/User.java

@@ -17,7 +17,7 @@
 package com.google.api.services.merchantapi.accounts_v1.model;
 
 /**
- * The `User` message represents a user associated with a Merchant Center account. It is used to
+ * The `User` resource represents a user associated with a Merchant Center account. It is used to
  * manage user permissions and access rights within the account. For more information, see
  * [Frequently asked questions about people and access
  * levels](//support.google.com/merchants/answer/12160472).

clients/google-api-services-merchantapi/accounts_v1/2.0.0/pom.xml

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-merchantapi</artifactId>
-  <version>accounts_v1-rev20251002-2.0.0</version>
-  <name>Merchant API accounts_v1-rev20251002-2.0.0</name>
+  <version>accounts_v1-rev20251021-2.0.0</version>
+  <name>Merchant API accounts_v1-rev20251021-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-merchantapi/accounts_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-merchantapi</artifactId>
-      <version>accounts_v1-rev20251002-2.0.0</version>
+      <version>accounts_v1-rev20251021-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1-rev20251002-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1-rev20251021-2.0.0'
 }
 ```
 

clients/google-api-services-merchantapi/accounts_v1beta/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-merchantapi</artifactId>
-      <version>accounts_v1beta-rev20251002-2.0.0</version>
+      <version>accounts_v1beta-rev20251021-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1beta-rev20251002-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1beta-rev20251021-2.0.0'
 }
 ```
 

clients/google-api-services-merchantapi/accounts_v1beta/2.0.0/com/google/api/services/merchantapi/accounts_v1beta/model/User.java

@@ -17,7 +17,7 @@
 package com.google.api.services.merchantapi.accounts_v1beta.model;
 
 /**
- * The `User` message represents a user associated with a Merchant Center account. It is used to
+ * The `User` resource represents a user associated with a Merchant Center account. It is used to
  * manage user permissions and access rights within the account. For more information, see
  * [Frequently asked questions about people and access
  * levels](//support.google.com/merchants/answer/12160472).

clients/google-api-services-merchantapi/accounts_v1beta/2.0.0/pom.xml

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-merchantapi</artifactId>
-  <version>accounts_v1beta-rev20251002-2.0.0</version>
-  <name>Merchant API accounts_v1beta-rev20251002-2.0.0</name>
+  <version>accounts_v1beta-rev20251021-2.0.0</version>
+  <name>Merchant API accounts_v1beta-rev20251021-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-merchantapi/accounts_v1beta/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-merchantapi</artifactId>
-      <version>accounts_v1beta-rev20251002-2.0.0</version>
+      <version>accounts_v1beta-rev20251021-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1beta-rev20251002-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:accounts_v1beta-rev20251021-2.0.0'
 }
 ```