chore: regenerate content client (googleapis#28222)

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-content/v2.1/2.0.0/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-content</artifactId>
-      <version>v2.1-rev20250621-2.0.0</version>
+      <version>v2.1-rev20250723-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-content:v2.1-rev20250621-2.0.0'
+  implementation 'com.google.apis:google-api-services-content:v2.1-rev20250723-2.0.0'
 }
 ```
 

clients/google-api-services-content/v2.1/2.0.0/com/google/api/services/content/ShoppingContent.java

@@ -6285,17 +6285,24 @@ public Patch setConversionSourceId(java.lang.String conversionSourceId) {
         return this;
       }
 
-      /** Optional. List of fields being updated. */
+      /**
+       * Optional. List of fields being updated. The following fields can be updated:
+       * `attribution_settings`, `display_name`, `currency_code`.
+       */
       @com.google.api.client.util.Key
       private String updateMask;
 
-      /** Optional. List of fields being updated.
+      /** Optional. List of fields being updated. The following fields can be updated:
+     `attribution_settings`, `display_name`, `currency_code`.
        */
       public String getUpdateMask() {
         return updateMask;
       }
 
-      /** Optional. List of fields being updated. */
+      /**
+       * Optional. List of fields being updated. The following fields can be updated:
+       * `attribution_settings`, `display_name`, `currency_code`.
+       */
       public Patch setUpdateMask(String updateMask) {
         this.updateMask = updateMask;
         return this;

clients/google-api-services-content/v2.1/2.0.0/pom.xml

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-content</artifactId>
-  <version>v2.1-rev20250621-2.0.0</version>
-  <name>Content API for Shopping v2.1-rev20250621-2.0.0</name>
+  <version>v2.1-rev20250723-2.0.0</version>
+  <name>Content API for Shopping v2.1-rev20250723-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-content/v2.1/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-content</artifactId>
-      <version>v2.1-rev20250621-2.0.0</version>
+      <version>v2.1-rev20250723-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-content:v2.1-rev20250621-2.0.0'
+  implementation 'com.google.apis:google-api-services-content:v2.1-rev20250723-2.0.0'
 }
 ```