chore(deps): update dependency com.google.cloud:google-cloud-aiplatform to v2.7.3 (#822)

* chore(deps): update dependency com.google.cloud:google-cloud-aiplatform to v2.7.3

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aiplatform/snippets/pom.xml

@@ -27,7 +27,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-aiplatform</artifactId>
-      <version>2.7.2</version>
+      <version>2.7.3</version>
     </dependency>
     <!-- [END aiplatform_install_with_bom] -->
     <dependency>