chore: regenerate classroom client (#31122)

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-classroom/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-classroom</artifactId>
-      <version>v1-rev20260111-2.0.0</version>
+      <version>v1-rev20260308-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-classroom:v1-rev20260111-2.0.0'
+  implementation 'com.google.apis:google-api-services-classroom:v1-rev20260308-2.0.0'
 }
 ```
 

clients/google-api-services-classroom/v1/2.0.0/com/google/api/services/classroom/model/AddOnAttachmentStudentSubmission.java

@@ -43,6 +43,14 @@ public final class AddOnAttachmentStudentSubmission extends com.google.api.clien
   @com.google.api.client.util.Key
   private java.lang.String postSubmissionState;
 
+  /**
+   * Identifier for the student that owns this submission. Requires the user to be a teacher in the
+   * course and have permission to read student submissions.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String userId;
+
   /**
    * Student grade on this attachment. If unset, no grade was set.
    * @return value or {@code null} for none
@@ -77,6 +85,25 @@ public AddOnAttachmentStudentSubmission setPostSubmissionState(java.lang.String
     return this;
   }
 
+  /**
+   * Identifier for the student that owns this submission. Requires the user to be a teacher in the
+   * course and have permission to read student submissions.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getUserId() {
+    return userId;
+  }
+
+  /**
+   * Identifier for the student that owns this submission. Requires the user to be a teacher in the
+   * course and have permission to read student submissions.
+   * @param userId userId or {@code null} for none
+   */
+  public AddOnAttachmentStudentSubmission setUserId(java.lang.String userId) {
+    this.userId = userId;
+    return this;
+  }
+
   @Override
   public AddOnAttachmentStudentSubmission set(String fieldName, Object value) {
     return (AddOnAttachmentStudentSubmission) super.set(fieldName, value);

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

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-classroom</artifactId>
-  <version>v1-rev20260111-2.0.0</version>
-  <name>Google Classroom API v1-rev20260111-2.0.0</name>
+  <version>v1-rev20260308-2.0.0</version>
+  <name>Google Classroom API v1-rev20260308-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-classroom/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-classroom</artifactId>
-      <version>v1-rev20260111-2.0.0</version>
+      <version>v1-rev20260308-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-classroom:v1-rev20260111-2.0.0'
+  implementation 'com.google.apis:google-api-services-classroom:v1-rev20260308-2.0.0'
 }
 ```