chore: changes product name to 'Vertex AI' (#373)

Author: morgandu

aiplatform/snippets/pom.xml

@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>aiplatform-snippets</artifactId>
   <packaging>jar</packaging>
-  <name>Google AI Platform Snippets</name>
+  <name>Google Cloud Vertex AI Snippets</name>
   <url>https://github.com/googleapis/java-aiplatform</url>
 
   <!--