chore: add GoogleCloudPlatform/teams/text-embedding to CODEOWNERS of aiplatform samples (GoogleCloudPlatform#9462)

Author: Sita04

.github/CODEOWNERS

@@ -64,7 +64,7 @@
 /cloud-sql                       @GoogleCloudPlatform/java-samples-reviewers @yoshi-approver @GoogleCloudPlatform/cloud-samples-reviewers @GoogleCloudPlatform/infra-db-sdk
 
 # Data & AI
-/aiplatform                      @GoogleCloudPlatform/java-samples-reviewers @yoshi-approver @GoogleCloudPlatform/cloud-samples-reviewers @GoogleCloudPlatform/dee-data-ai
+/aiplatform                      @GoogleCloudPlatform/java-samples-reviewers @yoshi-approver @GoogleCloudPlatform/cloud-samples-reviewers @GoogleCloudPlatform/dee-data-ai @GoogleCloudPlatform/text-embedding
 /automl                          @GoogleCloudPlatform/java-samples-reviewers @yoshi-approver @GoogleCloudPlatform/cloud-samples-reviewers @GoogleCloudPlatform/dee-data-ai
 /contact-center-insights         @GoogleCloudPlatform/java-samples-reviewers @yoshi-approver @GoogleCloudPlatform/cloud-samples-reviewers @GoogleCloudPlatform/dee-data-ai
 /datalabeling                    @GoogleCloudPlatform/java-samples-reviewers @yoshi-approver @GoogleCloudPlatform/cloud-samples-reviewers @GoogleCloudPlatform/dee-data-ai