fix(compute): rename region "dependencies" at pom.xml (#9996)

* fix(compute): rename region "dependencies" at pom.xml

* chore(compute): migrate old region "compute_sendgrid_dependencies_java" from compute/sendgrid/pom.xml

Author: OremGLG

compute/sendgrid/pom.xml

@@ -37,13 +37,15 @@
   </properties>
 
   <dependencies>
+    <!-- [START compute_sendgrid_dependencies_xml_java] -->
     <!-- [START compute_sendgrid_dependencies_java] -->
     <dependency>
       <groupId>com.sendgrid</groupId>
       <artifactId>sendgrid-java</artifactId>
       <version>4.10.1</version>
     </dependency>
     <!-- [END compute_sendgrid_dependencies_java] -->
+    <!-- [END compute_sendgrid_dependencies_xml_java] -->
   </dependencies>
   <build>
     <plugins>